28106155

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{10429}}^1$

素因数の和:10459

約数の個数: 24

約数和(自身を含む): 42804720

約数和(自身を除く): 14698565

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 10429, 52145, 73003, 114719, 365015, 511021, 573595, 803033, 2555105, 4015165, 5621231, 28106155]

約数ペア:

[(1, 28106155), (5, 5621231), (7, 4015165), (11, 2555105), (35, 803033), (49, 573595), (55, 511021), (77, 365015), (245, 114719), (385, 73003), (539, 52145), (2695, 10429)]