81890172

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3571}}^1$

素因数の和:3608

約数の個数: 108

約数和(自身を含む): 259391496

約数和(自身を除く): 177501324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 147, 156, 182, 196, 234, 252, 273, 294, 364, 441, 468, 546, 588, 637, 819, 882, 1092, 1274, 1638, 1764, 1911, 2548, 3276, 3571, 3822, 5733, 7142, 7644, 10713, 11466, 14284, 21426, 22932, 24997, 32139, 42852, 46423, 49994, 64278, 74991, 92846, 99988, 128556, 139269, 149982, 174979, 185692, 224973, 278538, 299964, 324961, 349958, 417807, 449946, 524937, 557076, 649922, 699916, 835614, 899892, 974883, 1049874, 1299844, 1574811, 1671228, 1949766, 2099748, 2274727, 2924649, 3149622, 3899532, 4549454, 5849298, 6299244, 6824181, 9098908, 11698596, 13648362, 20472543, 27296724, 40945086, 81890172]

約数ペア:

[(1, 81890172), (2, 40945086), (3, 27296724), (4, 20472543), (6, 13648362), (7, 11698596), (9, 9098908), (12, 6824181), (13, 6299244), (14, 5849298), (18, 4549454), (21, 3899532), (26, 3149622), (28, 2924649), (36, 2274727), (39, 2099748), (42, 1949766), (49, 1671228), (52, 1574811), (63, 1299844), (78, 1049874), (84, 974883), (91, 899892), (98, 835614), (117, 699916), (126, 649922), (147, 557076), (156, 524937), (182, 449946), (196, 417807), (234, 349958), (252, 324961), (273, 299964), (294, 278538), (364, 224973), (441, 185692), (468, 174979), (546, 149982), (588, 139269), (637, 128556), (819, 99988), (882, 92846), (1092, 74991), (1274, 64278), (1638, 49994), (1764, 46423), (1911, 42852), (2548, 32139), (3276, 24997), (3571, 22932), (3822, 21426), (5733, 14284), (7142, 11466), (7644, 10713)]