25261456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8443}}^1$

素因数の和:8479

約数の個数: 40

約数和(自身を含む): 56541024

約数和(自身を除く): 31279568

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 8443, 16886, 33772, 67544, 92873, 135088, 143531, 185746, 287062, 371492, 574124, 742984, 1148248, 1485968, 1578841, 2296496, 3157682, 6315364, 12630728, 25261456]

約数ペア:

[(1, 25261456), (2, 12630728), (4, 6315364), (8, 3157682), (11, 2296496), (16, 1578841), (17, 1485968), (22, 1148248), (34, 742984), (44, 574124), (68, 371492), (88, 287062), (136, 185746), (176, 143531), (187, 135088), (272, 92873), (374, 67544), (748, 33772), (1496, 16886), (2992, 8443)]