256273378

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{26371}}^1$

素因数の和:26529

約数の個数: 16

約数和(自身を含む): 396845856

約数和(自身を除く): 140572478

約数列:

[1, 2, 43, 86, 113, 226, 4859, 9718, 26371, 52742, 1133953, 2267906, 2979923, 5959846, 128136689, 256273378]

約数ペア:

[(1, 256273378), (2, 128136689), (43, 5959846), (86, 2979923), (113, 2267906), (226, 1133953), (4859, 52742), (9718, 26371)]