1621004834

素因数分解:

$2^1\times {\mathrm{67}}^2\times {\mathrm{71}}^1\times {\mathrm{2543}}^1$

素因数の和:2750

約数の個数: 24

約数和(自身を含む): 2504089728

約数和(自身を除く): 883084894

約数列:

[1, 2, 67, 71, 134, 142, 2543, 4489, 4757, 5086, 8978, 9514, 170381, 180553, 318719, 340762, 361106, 637438, 11415527, 12097051, 22831054, 24194102, 810502417, 1621004834]

約数ペア:

[(1, 1621004834), (2, 810502417), (67, 24194102), (71, 22831054), (134, 12097051), (142, 11415527), (2543, 637438), (4489, 361106), (4757, 340762), (5086, 318719), (8978, 180553), (9514, 170381)]