256788886

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 401345280

約数和(自身を除く): 144556394

約数列:

[1, 2, 59, 83, 118, 157, 166, 167, 314, 334, 4897, 9263, 9794, 9853, 13031, 13861, 18526, 19706, 26062, 26219, 27722, 52438, 768829, 817799, 1537658, 1546921, 1635598, 2176177, 3093842, 4352354, 128394443, 256788886]

約数ペア:

[(1, 256788886), (2, 128394443), (59, 4352354), (83, 3093842), (118, 2176177), (157, 1635598), (166, 1546921), (167, 1537658), (314, 817799), (334, 768829), (4897, 52438), (9263, 27722), (9794, 26219), (9853, 26062), (13031, 19706), (13861, 18526)]