81276404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{3793}}^1$

素因数の和:4295

約数の個数: 24

約数和(自身を含む): 155523648

約数和(自身を除く): 74247244

約数列:

[1, 2, 4, 11, 22, 44, 487, 974, 1948, 3793, 5357, 7586, 10714, 15172, 21428, 41723, 83446, 166892, 1847191, 3694382, 7388764, 20319101, 40638202, 81276404]

約数ペア:

[(1, 81276404), (2, 40638202), (4, 20319101), (11, 7388764), (22, 3694382), (44, 1847191), (487, 166892), (974, 83446), (1948, 41723), (3793, 21428), (5357, 15172), (7586, 10714)]