2687212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 5176080

約数和(自身を除く): 2488868

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 389, 628, 778, 1556, 1727, 3454, 4279, 6908, 8558, 17116, 61073, 122146, 244292, 671803, 1343606, 2687212]

約数ペア:

[(1, 2687212), (2, 1343606), (4, 671803), (11, 244292), (22, 122146), (44, 61073), (157, 17116), (314, 8558), (389, 6908), (628, 4279), (778, 3454), (1556, 1727)]