66589016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{640279}}^1$

素因数の和:640298

約数の個数: 16

約数和(自身を含む): 134458800

約数和(自身を除く): 67869784

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 640279, 1280558, 2561116, 5122232, 8323627, 16647254, 33294508, 66589016]

約数ペア:

[(1, 66589016), (2, 33294508), (4, 16647254), (8, 8323627), (13, 5122232), (26, 2561116), (52, 1280558), (104, 640279)]