28520245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{7193}}^1$

素因数の和:7272

約数の個数: 16

約数和(自身を含む): 37466352

約数和(自身を除く): 8946107

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 7193, 35965, 93509, 438773, 467545, 2193865, 5704049, 28520245]

約数ペア:

[(1, 28520245), (5, 5704049), (13, 2193865), (61, 467545), (65, 438773), (305, 93509), (793, 35965), (3965, 7193)]