28257229

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28229}}^1$

素因数の和:28260

約数の個数: 16

約数和(自身を含む): 37941120

約数和(自身を除く): 9683891

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 28229, 197603, 310519, 366977, 2173633, 2568839, 4036747, 28257229]

約数ペア:

[(1, 28257229), (7, 4036747), (11, 2568839), (13, 2173633), (77, 366977), (91, 310519), (143, 197603), (1001, 28229)]