217626475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41651}}^1$

素因数の和:41691

約数の個数: 24

約数和(自身を含む): 309890880

約数和(自身を除く): 92264405

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 41651, 208255, 458161, 791369, 1041275, 2290805, 3956845, 8705059, 11454025, 19784225, 43525295, 217626475]

約数ペア:

[(1, 217626475), (5, 43525295), (11, 19784225), (19, 11454025), (25, 8705059), (55, 3956845), (95, 2290805), (209, 1041275), (275, 791369), (475, 458161), (1045, 208255), (5225, 41651)]