557640727

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 713636352

約数和(自身を除く): 155995625

約数列:

[1, 7, 23, 37, 43, 49, 161, 259, 301, 311, 851, 989, 1127, 1591, 1813, 2107, 2177, 5957, 6923, 7153, 11137, 11507, 13373, 15239, 36593, 41699, 48461, 50071, 77959, 80549, 93611, 256151, 264661, 307579, 350497, 494801, 563843, 655277, 1793057, 1852627, 2153053, 3463607, 11380423, 12968389, 15071371, 24245249, 79662961, 557640727]

約数ペア:

[(1, 557640727), (7, 79662961), (23, 24245249), (37, 15071371), (43, 12968389), (49, 11380423), (161, 3463607), (259, 2153053), (301, 1852627), (311, 1793057), (851, 655277), (989, 563843), (1127, 494801), (1591, 350497), (1813, 307579), (2107, 264661), (2177, 256151), (5957, 93611), (6923, 80549), (7153, 77959), (11137, 50071), (11507, 48461), (13373, 41699), (15239, 36593)]