81444784

素因数分解:

$2^4\times {\mathrm{101}}^2\times {\mathrm{499}}^1$

素因数の和:709

約数の個数: 30

約数和(自身を含む): 159696500

約数和(自身を除く): 78251716

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 499, 808, 998, 1616, 1996, 3992, 7984, 10201, 20402, 40804, 50399, 81608, 100798, 163216, 201596, 403192, 806384, 5090299, 10180598, 20361196, 40722392, 81444784]

約数ペア:

[(1, 81444784), (2, 40722392), (4, 20361196), (8, 10180598), (16, 5090299), (101, 806384), (202, 403192), (404, 201596), (499, 163216), (808, 100798), (998, 81608), (1616, 50399), (1996, 40804), (3992, 20402), (7984, 10201)]