15220513

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2221}}^1$

素因数の和:2328

約数の個数: 16

約数和(自身を含む): 19198080

約数和(自身を除く): 3977567

約数列:

[1, 7, 11, 77, 89, 623, 979, 2221, 6853, 15547, 24431, 171017, 197669, 1383683, 2174359, 15220513]

約数ペア:

[(1, 15220513), (7, 2174359), (11, 1383683), (77, 197669), (89, 171017), (623, 24431), (979, 15547), (2221, 6853)]