1645014946

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 2737152000

約数和(自身を除く): 1092137054

約数列:

[1, 2, 19, 38, 47, 79, 89, 94, 131, 158, 178, 262, 893, 1501, 1691, 1786, 2489, 3002, 3382, 3713, 4183, 4978, 6157, 7031, 7426, 8366, 10349, 11659, 12314, 14062, 20698, 23318, 70547, 79477, 116983, 133589, 141094, 158954, 196631, 221521, 233966, 267178, 330457, 393262, 443042, 486403, 547973, 660914, 921061, 972806, 1095946, 1842122, 6278683, 9241657, 10411487, 12557366, 17500159, 18483314, 20822974, 35000318, 43289867, 86579734, 822507473, 1645014946]

約数ペア:

[(1, 1645014946), (2, 822507473), (19, 86579734), (38, 43289867), (47, 35000318), (79, 20822974), (89, 18483314), (94, 17500159), (131, 12557366), (158, 10411487), (178, 9241657), (262, 6278683), (893, 1842122), (1501, 1095946), (1691, 972806), (1786, 921061), (2489, 660914), (3002, 547973), (3382, 486403), (3713, 443042), (4183, 393262), (4978, 330457), (6157, 267178), (7031, 233966), (7426, 221521), (8366, 196631), (10349, 158954), (11659, 141094), (12314, 133589), (14062, 116983), (20698, 79477), (23318, 70547)]