25528321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{12197}}^1$

素因数の和:12240

約数の個数: 16

約数和(自身を含む): 32788224

約数和(自身を除く): 7259903

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 12197, 85379, 158561, 280531, 1109927, 1963717, 3646903, 25528321]

約数ペア:

[(1, 25528321), (7, 3646903), (13, 1963717), (23, 1109927), (91, 280531), (161, 158561), (299, 85379), (2093, 12197)]