28393505

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{42697}}^1$

素因数の和:42728

約数の個数: 16

約数和(自身を含む): 40990080

約数和(自身を除く): 12596575

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 42697, 213485, 298879, 811243, 1494395, 4056215, 5678701, 28393505]

約数ペア:

[(1, 28393505), (5, 5678701), (7, 4056215), (19, 1494395), (35, 811243), (95, 298879), (133, 213485), (665, 42697)]