257176244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{81077}}^1$

素因数の和:81155

約数の個数: 24

約数和(自身を含む): 492629928

約数和(自身を除く): 235453684

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 81077, 162154, 324308, 1054001, 2108002, 4216004, 4945697, 9891394, 19782788, 64294061, 128588122, 257176244]

約数ペア:

[(1, 257176244), (2, 128588122), (4, 64294061), (13, 19782788), (26, 9891394), (52, 4945697), (61, 4216004), (122, 2108002), (244, 1054001), (793, 324308), (1586, 162154), (3172, 81077)]