28951195

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{63629}}^1$

素因数の和:63654

約数の個数: 16

約数和(自身を含む): 42759360

約数和(自身を除く): 13808165

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 63629, 318145, 445403, 827177, 2227015, 4135885, 5790239, 28951195]

約数ペア:

[(1, 28951195), (5, 5790239), (7, 4135885), (13, 2227015), (35, 827177), (65, 445403), (91, 318145), (455, 63629)]