28357355

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:975

約数の個数: 24

約数和(自身を含む): 37885392

約数和(自身を除く): 9528037

約数列:

[1, 5, 13, 37, 65, 169, 185, 481, 845, 907, 2405, 4535, 6253, 11791, 31265, 33559, 58955, 153283, 167795, 436267, 766415, 2181335, 5671471, 28357355]

約数ペア:

[(1, 28357355), (5, 5671471), (13, 2181335), (37, 766415), (65, 436267), (169, 167795), (185, 153283), (481, 58955), (845, 33559), (907, 31265), (2405, 11791), (4535, 6253)]