81738032

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{138071}}^1$

素因数の和:138116

約数の個数: 20

約数和(自身を含む): 162648816

約数和(自身を除く): 80910784

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 138071, 276142, 552284, 1104568, 2209136, 5108627, 10217254, 20434508, 40869016, 81738032]

約数ペア:

[(1, 81738032), (2, 40869016), (4, 20434508), (8, 10217254), (16, 5108627), (37, 2209136), (74, 1104568), (148, 552284), (296, 276142), (592, 138071)]