25249996

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1297}}^1$

素因数の和:1489

約数の個数: 24

約数和(自身を含む): 45938816

約数和(自身を除く): 20688820

約数列:

[1, 2, 4, 31, 62, 124, 157, 314, 628, 1297, 2594, 4867, 5188, 9734, 19468, 40207, 80414, 160828, 203629, 407258, 814516, 6312499, 12624998, 25249996]

約数ペア:

[(1, 25249996), (2, 12624998), (4, 6312499), (31, 814516), (62, 407258), (124, 203629), (157, 160828), (314, 80414), (628, 40207), (1297, 19468), (2594, 9734), (4867, 5188)]