520028848

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{123581}}^1$

素因数の和:123852

約数の個数: 20

約数和(自身を含む): 1011395088

約数和(自身を除く): 491366240

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 123581, 247162, 494324, 988648, 1977296, 32501803, 65003606, 130007212, 260014424, 520028848]

約数ペア:

[(1, 520028848), (2, 260014424), (4, 130007212), (8, 65003606), (16, 32501803), (263, 1977296), (526, 988648), (1052, 494324), (2104, 247162), (4208, 123581)]