66566344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{640061}}^1$

素因数の和:640080

約数の個数: 16

約数和(自身を含む): 134413020

約数和(自身を除く): 67846676

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 640061, 1280122, 2560244, 5120488, 8320793, 16641586, 33283172, 66566344]

約数ペア:

[(1, 66566344), (2, 33283172), (4, 16641586), (8, 8320793), (13, 5120488), (26, 2560244), (52, 1280122), (104, 640061)]