81965804

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{521}}^1\times {\mathrm{1063}}^1$

素因数の和:1625

約数の個数: 24

約数和(自身を含む): 147738528

約数和(自身を除く): 65772724

約数列:

[1, 2, 4, 37, 74, 148, 521, 1042, 1063, 2084, 2126, 4252, 19277, 38554, 39331, 77108, 78662, 157324, 553823, 1107646, 2215292, 20491451, 40982902, 81965804]

約数ペア:

[(1, 81965804), (2, 40982902), (4, 20491451), (37, 2215292), (74, 1107646), (148, 553823), (521, 157324), (1042, 78662), (1063, 77108), (2084, 39331), (2126, 38554), (4252, 19277)]