256218977

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1\times {\mathrm{1951}}^1$

素因数の和:2288

約数の個数: 16

約数和(自身を含む): 298140672

約数和(自身を除く): 41921695

約数列:

[1, 7, 73, 257, 511, 1799, 1951, 13657, 18761, 131327, 142423, 501407, 996961, 3509849, 36602711, 256218977]

約数ペア:

[(1, 256218977), (7, 36602711), (73, 3509849), (257, 996961), (511, 501407), (1799, 142423), (1951, 131327), (13657, 18761)]