205551764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{42859}}^1$

素因数の和:42983

約数の個数: 24

約数和(自身を含む): 396026400

約数和(自身を除く): 190474636

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4796, 42859, 85718, 171436, 471449, 942898, 1885796, 4671631, 9343262, 18686524, 51387941, 102775882, 205551764]

約数ペア:

[(1, 205551764), (2, 102775882), (4, 51387941), (11, 18686524), (22, 9343262), (44, 4671631), (109, 1885796), (218, 942898), (436, 471449), (1199, 171436), (2398, 85718), (4796, 42859)]