256540625819

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2767}}^1\times {\mathrm{212161}}^1$

素因数の和:214970

約数の個数: 16

約数和(自身を含む): 281886919680

約数和(自身を除く): 25346293861

約数列:

[1, 19, 23, 437, 2767, 52573, 63641, 212161, 1209179, 4031059, 4879703, 92714357, 587049487, 11153940253, 13502138201, 256540625819]

約数ペア:

[(1, 256540625819), (19, 13502138201), (23, 11153940253), (437, 587049487), (2767, 92714357), (52573, 4879703), (63641, 4031059), (212161, 1209179)]