28893761

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 33796440

約数和(自身を除く): 4902679

約数列:

[1, 13, 17, 89, 113, 169, 221, 1157, 1469, 1513, 1921, 2873, 10057, 15041, 19097, 19669, 24973, 130741, 170969, 255697, 324649, 1699633, 2222597, 28893761]

約数ペア:

[(1, 28893761), (13, 2222597), (17, 1699633), (89, 324649), (113, 255697), (169, 170969), (221, 130741), (1157, 24973), (1469, 19669), (1513, 19097), (1921, 15041), (2873, 10057)]