28454945

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{631}}^1$

素因数の和:976

約数の個数: 16

約数和(自身を含む): 35493120

約数和(自身を除く): 7038175

約数列:

[1, 5, 29, 145, 311, 631, 1555, 3155, 9019, 18299, 45095, 91495, 196241, 981205, 5690989, 28454945]

約数ペア:

[(1, 28454945), (5, 5690989), (29, 981205), (145, 196241), (311, 91495), (631, 45095), (1555, 18299), (3155, 9019)]