256975906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{220391}}^1$

素因数の和:220457

約数の個数: 16

約数和(自身を含む): 428442048

約数和(自身を除く): 171466142

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 220391, 440782, 2424301, 4848602, 11680723, 23361446, 128487953, 256975906]

約数ペア:

[(1, 256975906), (2, 128487953), (11, 23361446), (22, 11680723), (53, 4848602), (106, 2424301), (583, 440782), (1166, 220391)]