689684268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2557}}^1$

素因数の和:2616

約数の個数: 144

約数和(自身を含む): 2097150720

約数和(自身を除く): 1407466452

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 84, 91, 114, 133, 156, 169, 182, 228, 247, 266, 273, 338, 364, 399, 494, 507, 532, 546, 676, 741, 798, 988, 1014, 1092, 1183, 1482, 1596, 1729, 2028, 2366, 2557, 2964, 3211, 3458, 3549, 4732, 5114, 5187, 6422, 6916, 7098, 7671, 9633, 10228, 10374, 12844, 14196, 15342, 17899, 19266, 20748, 22477, 30684, 33241, 35798, 38532, 44954, 48583, 53697, 66482, 67431, 71596, 89908, 97166, 99723, 107394, 132964, 134862, 145749, 194332, 199446, 214788, 232687, 269724, 291498, 340081, 398892, 432133, 465374, 582996, 631579, 680162, 698061, 864266, 930748, 1020243, 1263158, 1296399, 1360324, 1396122, 1728532, 1894737, 2040486, 2526316, 2592798, 2792244, 3024931, 3789474, 4080972, 4421053, 5185596, 6049862, 7578948, 8210527, 8842106, 9074793, 12099724, 13263159, 16421054, 17684212, 18149586, 24631581, 26526318, 32842108, 36299172, 49263162, 53052636, 57473689, 98526324, 114947378, 172421067, 229894756, 344842134, 689684268]

約数ペア:

[(1, 689684268), (2, 344842134), (3, 229894756), (4, 172421067), (6, 114947378), (7, 98526324), (12, 57473689), (13, 53052636), (14, 49263162), (19, 36299172), (21, 32842108), (26, 26526318), (28, 24631581), (38, 18149586), (39, 17684212), (42, 16421054), (52, 13263159), (57, 12099724), (76, 9074793), (78, 8842106), (84, 8210527), (91, 7578948), (114, 6049862), (133, 5185596), (156, 4421053), (169, 4080972), (182, 3789474), (228, 3024931), (247, 2792244), (266, 2592798), (273, 2526316), (338, 2040486), (364, 1894737), (399, 1728532), (494, 1396122), (507, 1360324), (532, 1296399), (546, 1263158), (676, 1020243), (741, 930748), (798, 864266), (988, 698061), (1014, 680162), (1092, 631579), (1183, 582996), (1482, 465374), (1596, 432133), (1729, 398892), (2028, 340081), (2366, 291498), (2557, 269724), (2964, 232687), (3211, 214788), (3458, 199446), (3549, 194332), (4732, 145749), (5114, 134862), (5187, 132964), (6422, 107394), (6916, 99723), (7098, 97166), (7671, 89908), (9633, 71596), (10228, 67431), (10374, 66482), (12844, 53697), (14196, 48583), (15342, 44954), (17899, 38532), (19266, 35798), (20748, 33241), (22477, 30684)]