206780972

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{4391}}^1$

素因数の和:4649

約数の個数: 24

約数和(自身を含む): 369788832

約数和(自身を除く): 163007860

約数列:

[1, 2, 4, 61, 122, 193, 244, 386, 772, 4391, 8782, 11773, 17564, 23546, 47092, 267851, 535702, 847463, 1071404, 1694926, 3389852, 51695243, 103390486, 206780972]

約数ペア:

[(1, 206780972), (2, 103390486), (4, 51695243), (61, 3389852), (122, 1694926), (193, 1071404), (244, 847463), (386, 535702), (772, 267851), (4391, 47092), (8782, 23546), (11773, 17564)]