28511290

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{28229}}^1$

素因数の和:28337

約数の個数: 16

約数和(自身を含む): 51830280

約数和(自身を除く): 23318990

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 28229, 56458, 141145, 282290, 2851129, 5702258, 14255645, 28511290]

約数ペア:

[(1, 28511290), (2, 14255645), (5, 5702258), (10, 2851129), (101, 282290), (202, 141145), (505, 56458), (1010, 28229)]