867425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 1234296

約数和(自身を除く): 366871

約数列:

[1, 5, 13, 17, 25, 65, 85, 157, 221, 325, 425, 785, 1105, 2041, 2669, 3925, 5525, 10205, 13345, 34697, 51025, 66725, 173485, 867425]

約数ペア:

[(1, 867425), (5, 173485), (13, 66725), (17, 51025), (25, 34697), (65, 13345), (85, 10205), (157, 5525), (221, 3925), (325, 2669), (425, 2041), (785, 1105)]