81702448

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{13127}}^1$

素因数の和:13524

約数の個数: 20

約数和(自身を含む): 158717520

約数和(自身を除く): 77015072

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 13127, 26254, 52508, 105016, 210032, 5106403, 10212806, 20425612, 40851224, 81702448]

約数ペア:

[(1, 81702448), (2, 40851224), (4, 20425612), (8, 10212806), (16, 5106403), (389, 210032), (778, 105016), (1556, 52508), (3112, 26254), (6224, 13127)]