81570476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{3541}}^1$

素因数の和:4001

約数の個数: 24

約数和(自身を含む): 154119504

約数和(自身を除く): 72549028

約数列:

[1, 2, 4, 13, 26, 52, 443, 886, 1772, 3541, 5759, 7082, 11518, 14164, 23036, 46033, 92066, 184132, 1568663, 3137326, 6274652, 20392619, 40785238, 81570476]

約数ペア:

[(1, 81570476), (2, 40785238), (4, 20392619), (13, 6274652), (26, 3137326), (52, 1568663), (443, 184132), (886, 92066), (1772, 46033), (3541, 23036), (5759, 14164), (7082, 11518)]