219938906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{88471}}^1$

素因数の和:88597

約数の個数: 16

約数和(自身を含む): 363089088

約数和(自身を除く): 143150182

約数列:

[1, 2, 11, 22, 113, 226, 1243, 2486, 88471, 176942, 973181, 1946362, 9997223, 19994446, 109969453, 219938906]

約数ペア:

[(1, 219938906), (2, 109969453), (11, 19994446), (22, 9997223), (113, 1946362), (226, 973181), (1243, 176942), (2486, 88471)]