25104457

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 29486592

約数和(自身を除く): 4382135

約数列:

[1, 7, 53, 157, 371, 431, 1099, 3017, 8321, 22843, 58247, 67667, 159901, 473669, 3586351, 25104457]

約数ペア:

[(1, 25104457), (7, 3586351), (53, 473669), (157, 159901), (371, 67667), (431, 58247), (1099, 22843), (3017, 8321)]