389675503

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1117}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 487984640

約数和(自身を除く): 98309137

約数列:

[1, 7, 19, 43, 61, 133, 301, 427, 817, 1117, 1159, 2623, 5719, 7819, 8113, 18361, 21223, 48031, 49837, 68137, 148561, 336217, 348859, 476959, 912589, 1294603, 2929891, 6388123, 9062221, 20509237, 55667929, 389675503]

約数ペア:

[(1, 389675503), (7, 55667929), (19, 20509237), (43, 9062221), (61, 6388123), (133, 2929891), (301, 1294603), (427, 912589), (817, 476959), (1117, 348859), (1159, 336217), (2623, 148561), (5719, 68137), (7819, 49837), (8113, 48031), (18361, 21223)]