408022775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{12841}}^1$

素因数の和:12923

約数の個数: 24

約数和(自身を含む): 535049088

約数和(自身を除く): 127026313

約数列:

[1, 5, 25, 31, 41, 155, 205, 775, 1025, 1271, 6355, 12841, 31775, 64205, 321025, 398071, 526481, 1990355, 2632405, 9951775, 13162025, 16320911, 81604555, 408022775]

約数ペア:

[(1, 408022775), (5, 81604555), (25, 16320911), (31, 13162025), (41, 9951775), (155, 2632405), (205, 1990355), (775, 526481), (1025, 398071), (1271, 321025), (6355, 64205), (12841, 31775)]