81398768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{462493}}^1$

素因数の和:462512

約数の個数: 20

約数和(自身を含む): 172047768

約数和(自身を除く): 90649000

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 462493, 924986, 1849972, 3699944, 5087423, 7399888, 10174846, 20349692, 40699384, 81398768]

約数ペア:

[(1, 81398768), (2, 40699384), (4, 20349692), (8, 10174846), (11, 7399888), (16, 5087423), (22, 3699944), (44, 1849972), (88, 924986), (176, 462493)]