72820783679

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{1244821}}^1$

素因数の和:1245026

約数の個数: 16

約数和(自身を含む): 85205576256

約数和(自身を除く): 12384792577

約数列:

[1, 7, 61, 137, 427, 959, 8357, 58499, 1244821, 8713747, 75934081, 170540477, 531538567, 1193783339, 10402969097, 72820783679]

約数ペア:

[(1, 72820783679), (7, 10402969097), (61, 1193783339), (137, 531538567), (427, 170540477), (959, 75934081), (8357, 8713747), (58499, 1244821)]