256417364

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{38317}}^1$

素因数の和:38567

約数の個数: 24

約数和(自身を含む): 514993920

約数和(自身を除く): 258576556

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 956, 1673, 3346, 6692, 38317, 76634, 153268, 268219, 536438, 1072876, 9157763, 18315526, 36631052, 64104341, 128208682, 256417364]

約数ペア:

[(1, 256417364), (2, 128208682), (4, 64104341), (7, 36631052), (14, 18315526), (28, 9157763), (239, 1072876), (478, 536438), (956, 268219), (1673, 153268), (3346, 76634), (6692, 38317)]