66756664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{641891}}^1$

素因数の和:641910

約数の個数: 16

約数和(自身を含む): 134797320

約数和(自身を除く): 68040656

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 641891, 1283782, 2567564, 5135128, 8344583, 16689166, 33378332, 66756664]

約数ペア:

[(1, 66756664), (2, 33378332), (4, 16689166), (8, 8344583), (13, 5135128), (26, 2567564), (52, 1283782), (104, 641891)]