39940538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 67798080

約数和(自身を除く): 27857542

約数列:

[1, 2, 11, 22, 37, 74, 139, 278, 353, 407, 706, 814, 1529, 3058, 3883, 5143, 7766, 10286, 13061, 26122, 49067, 56573, 98134, 113146, 143671, 287342, 539737, 1079474, 1815479, 3630958, 19970269, 39940538]

約数ペア:

[(1, 39940538), (2, 19970269), (11, 3630958), (22, 1815479), (37, 1079474), (74, 539737), (139, 287342), (278, 143671), (353, 113146), (407, 98134), (706, 56573), (814, 49067), (1529, 26122), (3058, 13061), (3883, 10286), (5143, 7766)]