28509985

素因数分解:

$5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{2269}}^1$

素因数の和:2640

約数の個数: 16

約数和(自身を含む): 39225600

約数和(自身を除く): 10715615

約数列:

[1, 5, 7, 35, 359, 1795, 2269, 2513, 11345, 12565, 15883, 79415, 814571, 4072855, 5701997, 28509985]

約数ペア:

[(1, 28509985), (5, 5701997), (7, 4072855), (35, 814571), (359, 79415), (1795, 15883), (2269, 12565), (2513, 11345)]