64538864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{310283}}^1$

素因数の和:310304

約数の個数: 20

約数和(自身を含む): 134663256

約数和(自身を除く): 70124392

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 310283, 620566, 1241132, 2482264, 4033679, 4964528, 8067358, 16134716, 32269432, 64538864]

約数ペア:

[(1, 64538864), (2, 32269432), (4, 16134716), (8, 8067358), (13, 4964528), (16, 4033679), (26, 2482264), (52, 1241132), (104, 620566), (208, 310283)]