257043592

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{190121}}^1$

素因数の和:190153

約数の個数: 24

約数和(自身を含む): 521884890

約数和(自身を除く): 264841298

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 190121, 380242, 760484, 1520968, 2471573, 4943146, 9886292, 19772584, 32130449, 64260898, 128521796, 257043592]

約数ペア:

[(1, 257043592), (2, 128521796), (4, 64260898), (8, 32130449), (13, 19772584), (26, 9886292), (52, 4943146), (104, 2471573), (169, 1520968), (338, 760484), (676, 380242), (1352, 190121)]