205012912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{985639}}^1$

素因数の和:985660

約数の個数: 20

約数和(自身を含む): 427767760

約数和(自身を除く): 222754848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 985639, 1971278, 3942556, 7885112, 12813307, 15770224, 25626614, 51253228, 102506456, 205012912]

約数ペア:

[(1, 205012912), (2, 102506456), (4, 51253228), (8, 25626614), (13, 15770224), (16, 12813307), (26, 7885112), (52, 3942556), (104, 1971278), (208, 985639)]