63980215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{719}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 85095360

約数和(自身を除く): 21115145

約数列:

[1, 5, 13, 37, 65, 185, 481, 719, 1369, 2405, 3595, 6845, 9347, 17797, 26603, 46735, 88985, 133015, 345839, 984311, 1729195, 4921555, 12796043, 63980215]

約数ペア:

[(1, 63980215), (5, 12796043), (13, 4921555), (37, 1729195), (65, 984311), (185, 345839), (481, 133015), (719, 88985), (1369, 46735), (2405, 26603), (3595, 17797), (6845, 9347)]