28702390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{124793}}^1$

素因数の和:124823

約数の個数: 16

約数和(自身を含む): 53911008

約数和(自身を除く): 25208618

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 124793, 249586, 623965, 1247930, 2870239, 5740478, 14351195, 28702390]

約数ペア:

[(1, 28702390), (2, 14351195), (5, 5740478), (10, 2870239), (23, 1247930), (46, 623965), (115, 249586), (230, 124793)]