78870665

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{2557}}^1$

素因数の和:2792

約数の個数: 16

約数和(自身を含む): 98227200

約数和(自身を除く): 19356535

約数列:

[1, 5, 31, 155, 199, 995, 2557, 6169, 12785, 30845, 79267, 396335, 508843, 2544215, 15774133, 78870665]

約数ペア:

[(1, 78870665), (5, 15774133), (31, 2544215), (155, 508843), (199, 396335), (995, 79267), (2557, 30845), (6169, 12785)]