16421533856

素因数分解:

$2^5\times 7^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:493

約数の個数: 240

約数和(自身を含む): 41711618088

約数和(自身を除く): 25290084232

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 41, 49, 52, 56, 82, 91, 98, 104, 112, 164, 182, 196, 208, 224, 287, 328, 343, 364, 392, 401, 416, 533, 574, 637, 656, 686, 728, 784, 802, 1066, 1148, 1274, 1312, 1372, 1456, 1568, 1604, 2009, 2132, 2296, 2401, 2548, 2744, 2807, 2912, 3208, 3731, 4018, 4264, 4459, 4592, 4802, 5096, 5213, 5488, 5614, 6416, 7462, 8036, 8528, 8918, 9184, 9604, 10192, 10426, 10976, 11228, 12832, 14063, 14924, 16072, 16441, 17056, 17836, 19208, 19649, 20384, 20852, 22456, 26117, 28126, 29848, 31213, 32144, 32882, 35672, 36491, 38416, 39298, 41704, 44912, 52234, 56252, 59696, 62426, 64288, 65764, 71344, 72982, 76832, 78596, 83408, 89824, 98441, 104468, 112504, 115087, 119392, 124852, 131528, 137543, 142688, 145964, 157192, 166816, 182819, 196882, 208936, 213733, 225008, 230174, 249704, 255437, 263056, 275086, 291928, 314384, 365638, 393764, 417872, 427466, 450016, 460348, 499408, 510874, 526112, 550172, 583856, 628768, 731276, 787528, 805609, 835744, 854932, 920696, 962801, 998816, 1021748, 1100344, 1167712, 1279733, 1462552, 1496131, 1575056, 1611218, 1709864, 1788059, 1841392, 1925602, 2043496, 2200688, 2559466, 2925104, 2992262, 3150112, 3222436, 3419728, 3576118, 3682784, 3851204, 4086992, 4401376, 5118932, 5639263, 5850208, 5984524, 6444872, 6839456, 7152236, 7702408, 8173984, 10237864, 10472917, 11278526, 11969048, 12516413, 12889744, 14304472, 15404816, 20475728, 20945834, 22557052, 23938096, 25032826, 25779488, 28608944, 30809632, 39474841, 40951456, 41891668, 45114104, 47876192, 50065652, 57217888, 73310419, 78949682, 83783336, 90228208, 100131304, 146620838, 157899364, 167566672, 180456416, 200262608, 293241676, 315798728, 335133344, 400525216, 513172933, 586483352, 631597456, 1026345866, 1172966704, 1263194912, 2052691732, 2345933408, 4105383464, 8210766928, 16421533856]

約数ペア:

[(1, 16421533856), (2, 8210766928), (4, 4105383464), (7, 2345933408), (8, 2052691732), (13, 1263194912), (14, 1172966704), (16, 1026345866), (26, 631597456), (28, 586483352), (32, 513172933), (41, 400525216), (49, 335133344), (52, 315798728), (56, 293241676), (82, 200262608), (91, 180456416), (98, 167566672), (104, 157899364), (112, 146620838), (164, 100131304), (182, 90228208), (196, 83783336), (208, 78949682), (224, 73310419), (287, 57217888), (328, 50065652), (343, 47876192), (364, 45114104), (392, 41891668), (401, 40951456), (416, 39474841), (533, 30809632), (574, 28608944), (637, 25779488), (656, 25032826), (686, 23938096), (728, 22557052), (784, 20945834), (802, 20475728), (1066, 15404816), (1148, 14304472), (1274, 12889744), (1312, 12516413), (1372, 11969048), (1456, 11278526), (1568, 10472917), (1604, 10237864), (2009, 8173984), (2132, 7702408), (2296, 7152236), (2401, 6839456), (2548, 6444872), (2744, 5984524), (2807, 5850208), (2912, 5639263), (3208, 5118932), (3731, 4401376), (4018, 4086992), (4264, 3851204), (4459, 3682784), (4592, 3576118), (4802, 3419728), (5096, 3222436), (5213, 3150112), (5488, 2992262), (5614, 2925104), (6416, 2559466), (7462, 2200688), (8036, 2043496), (8528, 1925602), (8918, 1841392), (9184, 1788059), (9604, 1709864), (10192, 1611218), (10426, 1575056), (10976, 1496131), (11228, 1462552), (12832, 1279733), (14063, 1167712), (14924, 1100344), (16072, 1021748), (16441, 998816), (17056, 962801), (17836, 920696), (19208, 854932), (19649, 835744), (20384, 805609), (20852, 787528), (22456, 731276), (26117, 628768), (28126, 583856), (29848, 550172), (31213, 526112), (32144, 510874), (32882, 499408), (35672, 460348), (36491, 450016), (38416, 427466), (39298, 417872), (41704, 393764), (44912, 365638), (52234, 314384), (56252, 291928), (59696, 275086), (62426, 263056), (64288, 255437), (65764, 249704), (71344, 230174), (72982, 225008), (76832, 213733), (78596, 208936), (83408, 196882), (89824, 182819), (98441, 166816), (104468, 157192), (112504, 145964), (115087, 142688), (119392, 137543), (124852, 131528)]