128992855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{65981}}^1$

素因数の和:66026

約数の個数: 16

約数和(自身を含む): 171025344

約数和(自身を除く): 42032489

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 65981, 329905, 1121677, 1517563, 5608385, 7587815, 25798571, 128992855]

約数ペア:

[(1, 128992855), (5, 25798571), (17, 7587815), (23, 5608385), (85, 1517563), (115, 1121677), (391, 329905), (1955, 65981)]