42940664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{412891}}^1$

素因数の和:412910

約数の個数: 16

約数和(自身を含む): 86707320

約数和(自身を除く): 43766656

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 412891, 825782, 1651564, 3303128, 5367583, 10735166, 21470332, 42940664]

約数ペア:

[(1, 42940664), (2, 21470332), (4, 10735166), (8, 5367583), (13, 3303128), (26, 1651564), (52, 825782), (104, 412891)]