31432412

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{643}}^1$

素因数の和:770

約数の個数: 36

約数和(自身を含む): 61155528

約数和(自身を除く): 29723116

約数列:

[1, 2, 4, 11, 22, 44, 101, 121, 202, 242, 404, 484, 643, 1111, 1286, 2222, 2572, 4444, 7073, 12221, 14146, 24442, 28292, 48884, 64943, 77803, 129886, 155606, 259772, 311212, 714373, 1428746, 2857492, 7858103, 15716206, 31432412]

約数ペア:

[(1, 31432412), (2, 15716206), (4, 7858103), (11, 2857492), (22, 1428746), (44, 714373), (101, 311212), (121, 259772), (202, 155606), (242, 129886), (404, 77803), (484, 64943), (643, 48884), (1111, 28292), (1286, 24442), (2222, 14146), (2572, 12221), (4444, 7073)]