257043254

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{317}}^1\times {\mathrm{2399}}^1$

素因数の和:2744

約数の個数: 24

約数和(自身を含む): 418996800

約数和(自身を除く): 161953546

約数列:

[1, 2, 13, 26, 169, 317, 338, 634, 2399, 4121, 4798, 8242, 31187, 53573, 62374, 107146, 405431, 760483, 810862, 1520966, 9886279, 19772558, 128521627, 257043254]

約数ペア:

[(1, 257043254), (2, 128521627), (13, 19772558), (26, 9886279), (169, 1520966), (317, 810862), (338, 760483), (634, 405431), (2399, 107146), (4121, 62374), (4798, 53573), (8242, 31187)]