28726555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{40177}}^1$

素因数の和:40206

約数の個数: 16

約数和(自身を含む): 40499424

約数和(自身を除く): 11772869

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 40177, 200885, 441947, 522301, 2209735, 2611505, 5745311, 28726555]

約数ペア:

[(1, 28726555), (5, 5745311), (11, 2611505), (13, 2209735), (55, 522301), (65, 441947), (143, 200885), (715, 40177)]