157415728

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{239963}}^1$

素因数の和:240012

約数の個数: 20

約数和(自身を含む): 312433128

約数和(自身を除く): 155017400

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 239963, 479926, 959852, 1919704, 3839408, 9838483, 19676966, 39353932, 78707864, 157415728]

約数ペア:

[(1, 157415728), (2, 78707864), (4, 39353932), (8, 19676966), (16, 9838483), (41, 3839408), (82, 1919704), (164, 959852), (328, 479926), (656, 239963)]