86531225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{16561}}^1$

素因数の和:16601

約数の個数: 24

約数和(自身を含む): 123221280

約数和(自身を除く): 36690055

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 16561, 82805, 182171, 314659, 414025, 910855, 1573295, 3461249, 4554275, 7866475, 17306245, 86531225]

約数ペア:

[(1, 86531225), (5, 17306245), (11, 7866475), (19, 4554275), (25, 3461249), (55, 1573295), (95, 910855), (209, 414025), (275, 314659), (475, 182171), (1045, 82805), (5225, 16561)]