28387265

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{571}}^1$

素因数の和:800

約数の個数: 16

約数和(自身を含む): 34896576

約数和(自身を除く): 6509311

約数列:

[1, 5, 61, 163, 305, 571, 815, 2855, 9943, 34831, 49715, 93073, 174155, 465365, 5677453, 28387265]

約数ペア:

[(1, 28387265), (5, 5677453), (61, 465365), (163, 174155), (305, 93073), (571, 49715), (815, 34831), (2855, 9943)]