40210709

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 52641792

約数和(自身を除く): 12431083

約数列:

[1, 7, 11, 41, 47, 77, 271, 287, 329, 451, 517, 1897, 1927, 2981, 3157, 3619, 11111, 12737, 13489, 20867, 21197, 77777, 89159, 122221, 140107, 148379, 522217, 855547, 980749, 3655519, 5744387, 40210709]

約数ペア:

[(1, 40210709), (7, 5744387), (11, 3655519), (41, 980749), (47, 855547), (77, 522217), (271, 148379), (287, 140107), (329, 122221), (451, 89159), (517, 77777), (1897, 21197), (1927, 20867), (2981, 13489), (3157, 12737), (3619, 11111)]