28555630

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{4441}}^1$

素因数の和:5091

約数の個数: 16

約数和(自身を含む): 51491664

約数和(自身を除く): 22936034

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 4441, 6430, 8882, 22205, 44410, 2855563, 5711126, 14277815, 28555630]

約数ペア:

[(1, 28555630), (2, 14277815), (5, 5711126), (10, 2855563), (643, 44410), (1286, 22205), (3215, 8882), (4441, 6430)]