213778864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1027783}}^1$

素因数の和:1027804

約数の個数: 20

約数和(自身を含む): 446058256

約数和(自身を除く): 232279392

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1027783, 2055566, 4111132, 8222264, 13361179, 16444528, 26722358, 53444716, 106889432, 213778864]

約数ペア:

[(1, 213778864), (2, 106889432), (4, 53444716), (8, 26722358), (13, 16444528), (16, 13361179), (26, 8222264), (52, 4111132), (104, 2055566), (208, 1027783)]