80870018

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{3331}}^1$

素因数の和:3593

約数の個数: 16

約数和(自身を含む): 123950400

約数和(自身を除く): 43080382

約数列:

[1, 2, 61, 122, 199, 398, 3331, 6662, 12139, 24278, 203191, 406382, 662869, 1325738, 40435009, 80870018]

約数ペア:

[(1, 80870018), (2, 40435009), (61, 1325738), (122, 662869), (199, 406382), (398, 203191), (3331, 24278), (6662, 12139)]