81192565

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{2659}}^1$

素因数の和:2892

約数の個数: 16

約数和(自身を含む): 101122560

約数和(自身を除く): 19929995

約数列:

[1, 5, 31, 155, 197, 985, 2659, 6107, 13295, 30535, 82429, 412145, 523823, 2619115, 16238513, 81192565]

約数ペア:

[(1, 81192565), (5, 16238513), (31, 2619115), (155, 523823), (197, 412145), (985, 82429), (2659, 30535), (6107, 13295)]