28017745

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{10133}}^1$

素因数の和:10224

約数の個数: 16

約数和(自身を含む): 38914560

約数和(自身を除く): 10896815

約数列:

[1, 5, 7, 35, 79, 395, 553, 2765, 10133, 50665, 70931, 354655, 800507, 4002535, 5603549, 28017745]

約数ペア:

[(1, 28017745), (5, 5603549), (7, 4002535), (35, 800507), (79, 354655), (395, 70931), (553, 50665), (2765, 10133)]