81609151012

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{1999}}^1\times {\mathrm{129193}}^1$

素因数の和:131275

約数の個数: 24

約数和(自身を含む): 144697280000

約数和(自身を除く): 63088128988

約数列:

[1, 2, 4, 79, 158, 316, 1999, 3998, 7996, 129193, 157921, 258386, 315842, 516772, 631684, 10206247, 20412494, 40824988, 258256807, 516513614, 1033027228, 20402287753, 40804575506, 81609151012]

約数ペア:

[(1, 81609151012), (2, 40804575506), (4, 20402287753), (79, 1033027228), (158, 516513614), (316, 258256807), (1999, 40824988), (3998, 20412494), (7996, 10206247), (129193, 631684), (157921, 516772), (258386, 315842)]