28905605

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{1223}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 36132480

約数和(自身を除く): 7226875

約数列:

[1, 5, 29, 145, 163, 815, 1223, 4727, 6115, 23635, 35467, 177335, 199349, 996745, 5781121, 28905605]

約数ペア:

[(1, 28905605), (5, 5781121), (29, 996745), (145, 199349), (163, 177335), (815, 35467), (1223, 23635), (4727, 6115)]