28551215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{74159}}^1$

素因数の和:74182

約数の個数: 16

約数和(自身を含む): 42716160

約数和(自身を除く): 14164945

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 74159, 370795, 519113, 815749, 2595565, 4078745, 5710243, 28551215]

約数ペア:

[(1, 28551215), (5, 5710243), (7, 4078745), (11, 2595565), (35, 815749), (55, 519113), (77, 370795), (385, 74159)]