83811980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{598657}}^1$

素因数の和:598673

約数の個数: 24

約数和(自身を含む): 201149088

約数和(自身を除く): 117337108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 598657, 1197314, 2394628, 2993285, 4190599, 5986570, 8381198, 11973140, 16762396, 20952995, 41905990, 83811980]

約数ペア:

[(1, 83811980), (2, 41905990), (4, 20952995), (5, 16762396), (7, 11973140), (10, 8381198), (14, 5986570), (20, 4190599), (28, 2993285), (35, 2394628), (70, 1197314), (140, 598657)]