66652664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{640891}}^1$

素因数の和:640910

約数の個数: 16

約数和(自身を含む): 134587320

約数和(自身を除く): 67934656

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 640891, 1281782, 2563564, 5127128, 8331583, 16663166, 33326332, 66652664]

約数ペア:

[(1, 66652664), (2, 33326332), (4, 16663166), (8, 8331583), (13, 5127128), (26, 2563564), (52, 1281782), (104, 640891)]