256216539

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{39779}}^1$

素因数の和:39914

約数の個数: 16

約数和(自身を含む): 362793600

約数和(自身を除く): 106577061

約数列:

[1, 3, 19, 57, 113, 339, 2147, 6441, 39779, 119337, 755801, 2267403, 4495027, 13485081, 85405513, 256216539]

約数ペア:

[(1, 256216539), (3, 85405513), (19, 13485081), (57, 4495027), (113, 2267403), (339, 755801), (2147, 119337), (6441, 39779)]