627654352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3017569}}^1$

素因数の和:3017590

約数の個数: 20

約数和(自身を含む): 1309625380

約数和(自身を除く): 681971028

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3017569, 6035138, 12070276, 24140552, 39228397, 48281104, 78456794, 156913588, 313827176, 627654352]

約数ペア:

[(1, 627654352), (2, 313827176), (4, 156913588), (8, 78456794), (13, 48281104), (16, 39228397), (26, 24140552), (52, 12070276), (104, 6035138), (208, 3017569)]