79820684

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{127103}}^1$

素因数の和:127264

約数の個数: 12

約数和(自身を含む): 140577024

約数和(自身を除く): 60756340

約数列:

[1, 2, 4, 157, 314, 628, 127103, 254206, 508412, 19955171, 39910342, 79820684]

約数ペア:

[(1, 79820684), (2, 39910342), (4, 19955171), (157, 508412), (314, 254206), (628, 127103)]