71721716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{16139}}^1$

素因数の和:16255

約数の個数: 24

約数和(自身を含む): 138287520

約数和(自身を除く): 66565804

約数列:

[1, 2, 4, 11, 22, 44, 101, 202, 404, 1111, 2222, 4444, 16139, 32278, 64556, 177529, 355058, 710116, 1630039, 3260078, 6520156, 17930429, 35860858, 71721716]

約数ペア:

[(1, 71721716), (2, 35860858), (4, 17930429), (11, 6520156), (22, 3260078), (44, 1630039), (101, 710116), (202, 355058), (404, 177529), (1111, 64556), (2222, 32278), (4444, 16139)]