68715272

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{21001}}^1$

素因数の和:21416

約数の個数: 16

約数和(自身を含む): 129162300

約数和(自身を除く): 60447028

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 21001, 42002, 84004, 168008, 8589409, 17178818, 34357636, 68715272]

約数ペア:

[(1, 68715272), (2, 34357636), (4, 17178818), (8, 8589409), (409, 168008), (818, 84004), (1636, 42002), (3272, 21001)]