28516225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{293}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 37731960

約数和(自身を除く): 9215735

約数列:

[1, 5, 17, 25, 85, 229, 293, 425, 1145, 1465, 3893, 4981, 5725, 7325, 19465, 24905, 67097, 97325, 124525, 335485, 1140649, 1677425, 5703245, 28516225]

約数ペア:

[(1, 28516225), (5, 5703245), (17, 1677425), (25, 1140649), (85, 335485), (229, 124525), (293, 97325), (425, 67097), (1145, 24905), (1465, 19465), (3893, 7325), (4981, 5725)]