72981268

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{307}}^1\times {\mathrm{577}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 129601472

約数和(自身を除く): 56620204

約数列:

[1, 2, 4, 103, 206, 307, 412, 577, 614, 1154, 1228, 2308, 31621, 59431, 63242, 118862, 126484, 177139, 237724, 354278, 708556, 18245317, 36490634, 72981268]

約数ペア:

[(1, 72981268), (2, 36490634), (4, 18245317), (103, 708556), (206, 354278), (307, 237724), (412, 177139), (577, 126484), (614, 118862), (1154, 63242), (1228, 59431), (2308, 31621)]