390617857

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1783}}^1$

素因数の和:2077

約数の個数: 24

約数和(自身を含む): 483221376

約数和(自身を除く): 92603519

約数列:

[1, 7, 17, 49, 119, 263, 833, 1783, 1841, 4471, 12481, 12887, 30311, 31297, 87367, 212177, 219079, 468929, 1485239, 3282503, 7971793, 22977521, 55802551, 390617857]

約数ペア:

[(1, 390617857), (7, 55802551), (17, 22977521), (49, 7971793), (119, 3282503), (263, 1485239), (833, 468929), (1783, 219079), (1841, 212177), (4471, 87367), (12481, 31297), (12887, 30311)]