639732895

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{4591}}^1$

素因数の和:4687

約数の個数: 24

約数和(自身を含む): 820774080

約数和(自身を除く): 181041185

約数列:

[1, 5, 29, 31, 145, 155, 899, 961, 4495, 4591, 4805, 22955, 27869, 133139, 139345, 142321, 665695, 711605, 4127309, 4411951, 20636545, 22059755, 127946579, 639732895]

約数ペア:

[(1, 639732895), (5, 127946579), (29, 22059755), (31, 20636545), (145, 4411951), (155, 4127309), (899, 711605), (961, 665695), (4495, 142321), (4591, 139345), (4805, 133139), (22955, 27869)]