81667564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 160352640

約数和(自身を除く): 78685076

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 163, 193, 236, 326, 386, 649, 652, 772, 1298, 1793, 2123, 2596, 3586, 4246, 7172, 8492, 9617, 11387, 19234, 22774, 31459, 38468, 45548, 62918, 105787, 125257, 125836, 211574, 250514, 346049, 423148, 501028, 692098, 1384196, 1856081, 3712162, 7424324, 20416891, 40833782, 81667564]

約数ペア:

[(1, 81667564), (2, 40833782), (4, 20416891), (11, 7424324), (22, 3712162), (44, 1856081), (59, 1384196), (118, 692098), (163, 501028), (193, 423148), (236, 346049), (326, 250514), (386, 211574), (649, 125836), (652, 125257), (772, 105787), (1298, 62918), (1793, 45548), (2123, 38468), (2596, 31459), (3586, 22774), (4246, 19234), (7172, 11387), (8492, 9617)]