81402564

素因数分解:

$2^2\times 3^1\times {\mathrm{691}}^1\times {\mathrm{9817}}^1$

素因数の和:10515

約数の個数: 24

約数和(自身を含む): 190233568

約数和(自身を除く): 108831004

約数列:

[1, 2, 3, 4, 6, 12, 691, 1382, 2073, 2764, 4146, 8292, 9817, 19634, 29451, 39268, 58902, 117804, 6783547, 13567094, 20350641, 27134188, 40701282, 81402564]

約数ペア:

[(1, 81402564), (2, 40701282), (3, 27134188), (4, 20350641), (6, 13567094), (12, 6783547), (691, 117804), (1382, 58902), (2073, 39268), (2764, 29451), (4146, 19634), (8292, 9817)]