28311815

素因数分解:

$5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{8009}}^1$

素因数の和:8122

約数の個数: 16

約数和(自身を含む): 39216960

約数和(自身を除く): 10905145

約数列:

[1, 5, 7, 35, 101, 505, 707, 3535, 8009, 40045, 56063, 280315, 808909, 4044545, 5662363, 28311815]

約数ペア:

[(1, 28311815), (5, 5662363), (7, 4044545), (35, 808909), (101, 280315), (505, 56063), (707, 40045), (3535, 8009)]