81472816

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{137623}}^1$

素因数の和:137668

約数の個数: 20

約数和(自身を含む): 162121072

約数和(自身を除く): 80648256

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 137623, 275246, 550492, 1100984, 2201968, 5092051, 10184102, 20368204, 40736408, 81472816]

約数ペア:

[(1, 81472816), (2, 40736408), (4, 20368204), (8, 10184102), (16, 5092051), (37, 2201968), (74, 1100984), (148, 550492), (296, 275246), (592, 137623)]