440216

素因数分解:

$2^3\times 7^2\times {\mathrm{1123}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 961020

約数和(自身を除く): 520804

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 1123, 2246, 4492, 7861, 8984, 15722, 31444, 55027, 62888, 110054, 220108, 440216]

約数ペア:

[(1, 440216), (2, 220108), (4, 110054), (7, 62888), (8, 55027), (14, 31444), (28, 15722), (49, 8984), (56, 7861), (98, 4492), (196, 2246), (392, 1123)]