164451664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{790633}}^1$

素因数の和:790654

約数の個数: 20

約数和(自身を含む): 343135156

約数和(自身を除く): 178683492

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 790633, 1581266, 3162532, 6325064, 10278229, 12650128, 20556458, 41112916, 82225832, 164451664]

約数ペア:

[(1, 164451664), (2, 82225832), (4, 41112916), (8, 20556458), (13, 12650128), (16, 10278229), (26, 6325064), (52, 3162532), (104, 1581266), (208, 790633)]