25999428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:877

約数の個数: 96

約数和(自身を含む): 77333760

約数和(自身を除く): 51334332

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 29, 39, 42, 52, 58, 78, 84, 87, 91, 116, 156, 174, 182, 203, 273, 348, 364, 377, 406, 546, 609, 754, 812, 821, 1092, 1131, 1218, 1508, 1642, 2262, 2436, 2463, 2639, 3284, 4524, 4926, 5278, 5747, 7917, 9852, 10556, 10673, 11494, 15834, 17241, 21346, 22988, 23809, 31668, 32019, 34482, 42692, 47618, 64038, 68964, 71427, 74711, 95236, 128076, 142854, 149422, 166663, 224133, 285708, 298844, 309517, 333326, 448266, 499989, 619034, 666652, 896532, 928551, 999978, 1238068, 1857102, 1999956, 2166619, 3714204, 4333238, 6499857, 8666476, 12999714, 25999428]

約数ペア:

[(1, 25999428), (2, 12999714), (3, 8666476), (4, 6499857), (6, 4333238), (7, 3714204), (12, 2166619), (13, 1999956), (14, 1857102), (21, 1238068), (26, 999978), (28, 928551), (29, 896532), (39, 666652), (42, 619034), (52, 499989), (58, 448266), (78, 333326), (84, 309517), (87, 298844), (91, 285708), (116, 224133), (156, 166663), (174, 149422), (182, 142854), (203, 128076), (273, 95236), (348, 74711), (364, 71427), (377, 68964), (406, 64038), (546, 47618), (609, 42692), (754, 34482), (812, 32019), (821, 31668), (1092, 23809), (1131, 22988), (1218, 21346), (1508, 17241), (1642, 15834), (2262, 11494), (2436, 10673), (2463, 10556), (2639, 9852), (3284, 7917), (4524, 5747), (4926, 5278)]