28268485

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{42509}}^1$

素因数の和:42540

約数の個数: 16

約数和(自身を含む): 40809600

約数和(自身を除く): 12541115

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 42509, 212545, 297563, 807671, 1487815, 4038355, 5653697, 28268485]

約数ペア:

[(1, 28268485), (5, 5653697), (7, 4038355), (19, 1487815), (35, 807671), (95, 297563), (133, 212545), (665, 42509)]