28254745

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{307}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 34594560

約数和(自身を除く): 6339815

約数列:

[1, 5, 79, 233, 307, 395, 1165, 1535, 18407, 24253, 71531, 92035, 121265, 357655, 5650949, 28254745]

約数ペア:

[(1, 28254745), (5, 5650949), (79, 357655), (233, 121265), (307, 92035), (395, 71531), (1165, 24253), (1535, 18407)]