80578682

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{3319}}^1$

素因数の和:3581

約数の個数: 16

約数和(自身を含む): 123504000

約数和(自身を除く): 42925318

約数列:

[1, 2, 61, 122, 199, 398, 3319, 6638, 12139, 24278, 202459, 404918, 660481, 1320962, 40289341, 80578682]

約数ペア:

[(1, 80578682), (2, 40289341), (61, 1320962), (122, 660481), (199, 404918), (398, 202459), (3319, 24278), (6638, 12139)]