81683784

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{137}}^1$

素因数の和:189

約数の個数: 216

約数和(自身を含む): 280698210

約数和(自身を除く): 199014426

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 49, 52, 56, 63, 72, 78, 84, 91, 98, 104, 117, 126, 137, 147, 156, 168, 169, 182, 196, 234, 252, 273, 274, 294, 312, 338, 364, 392, 411, 441, 468, 504, 507, 546, 548, 588, 637, 676, 728, 819, 822, 882, 936, 959, 1014, 1092, 1096, 1176, 1183, 1233, 1274, 1352, 1521, 1638, 1644, 1764, 1781, 1911, 1918, 2028, 2184, 2366, 2466, 2548, 2877, 3042, 3276, 3288, 3528, 3549, 3562, 3822, 3836, 4056, 4732, 4932, 5096, 5343, 5733, 5754, 6084, 6552, 6713, 7098, 7124, 7644, 7672, 8281, 8631, 9464, 9864, 10647, 10686, 11466, 11508, 12168, 12467, 13426, 14196, 14248, 15288, 16029, 16562, 17262, 20139, 21294, 21372, 22932, 23016, 23153, 24843, 24934, 26852, 28392, 32058, 33124, 34524, 37401, 40278, 42588, 42744, 45864, 46306, 49686, 49868, 53704, 60417, 64116, 66248, 69048, 69459, 74529, 74802, 80556, 85176, 87269, 92612, 99372, 99736, 112203, 120834, 128232, 138918, 149058, 149604, 161112, 162071, 174538, 185224, 198744, 208377, 224406, 241668, 261807, 277836, 298116, 299208, 324142, 349076, 416754, 448812, 483336, 486213, 523614, 555672, 596232, 648284, 698152, 785421, 833508, 897624, 972426, 1047228, 1134497, 1296568, 1458639, 1570842, 1667016, 1944852, 2094456, 2268994, 2917278, 3141684, 3403491, 3889704, 4537988, 5834556, 6283368, 6806982, 9075976, 10210473, 11669112, 13613964, 20420946, 27227928, 40841892, 81683784]

約数ペア:

[(1, 81683784), (2, 40841892), (3, 27227928), (4, 20420946), (6, 13613964), (7, 11669112), (8, 10210473), (9, 9075976), (12, 6806982), (13, 6283368), (14, 5834556), (18, 4537988), (21, 3889704), (24, 3403491), (26, 3141684), (28, 2917278), (36, 2268994), (39, 2094456), (42, 1944852), (49, 1667016), (52, 1570842), (56, 1458639), (63, 1296568), (72, 1134497), (78, 1047228), (84, 972426), (91, 897624), (98, 833508), (104, 785421), (117, 698152), (126, 648284), (137, 596232), (147, 555672), (156, 523614), (168, 486213), (169, 483336), (182, 448812), (196, 416754), (234, 349076), (252, 324142), (273, 299208), (274, 298116), (294, 277836), (312, 261807), (338, 241668), (364, 224406), (392, 208377), (411, 198744), (441, 185224), (468, 174538), (504, 162071), (507, 161112), (546, 149604), (548, 149058), (588, 138918), (637, 128232), (676, 120834), (728, 112203), (819, 99736), (822, 99372), (882, 92612), (936, 87269), (959, 85176), (1014, 80556), (1092, 74802), (1096, 74529), (1176, 69459), (1183, 69048), (1233, 66248), (1274, 64116), (1352, 60417), (1521, 53704), (1638, 49868), (1644, 49686), (1764, 46306), (1781, 45864), (1911, 42744), (1918, 42588), (2028, 40278), (2184, 37401), (2366, 34524), (2466, 33124), (2548, 32058), (2877, 28392), (3042, 26852), (3276, 24934), (3288, 24843), (3528, 23153), (3549, 23016), (3562, 22932), (3822, 21372), (3836, 21294), (4056, 20139), (4732, 17262), (4932, 16562), (5096, 16029), (5343, 15288), (5733, 14248), (5754, 14196), (6084, 13426), (6552, 12467), (6713, 12168), (7098, 11508), (7124, 11466), (7644, 10686), (7672, 10647), (8281, 9864), (8631, 9464)]