660996848

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{157081}}^1$

素因数の和:157352

約数の個数: 20

約数和(自身を含む): 1285559088

約数和(自身を除く): 624562240

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 157081, 314162, 628324, 1256648, 2513296, 41312303, 82624606, 165249212, 330498424, 660996848]

約数ペア:

[(1, 660996848), (2, 330498424), (4, 165249212), (8, 82624606), (16, 41312303), (263, 2513296), (526, 1256648), (1052, 628324), (2104, 314162), (4208, 157081)]