639029665

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{971}}^1\times {\mathrm{3061}}^1$

素因数の和:4080

約数の個数: 16

約数和(自身を含む): 785733696

約数和(自身を除く): 146704031

約数列:

[1, 5, 43, 215, 971, 3061, 4855, 15305, 41753, 131623, 208765, 658115, 2972231, 14861155, 127805933, 639029665]

約数ペア:

[(1, 639029665), (5, 127805933), (43, 14861155), (215, 2972231), (971, 658115), (3061, 208765), (4855, 131623), (15305, 41753)]