81893476

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{47947}}^1$

素因数の和:48019

約数の個数: 24

約数和(自身を含む): 166475456

約数和(自身を除く): 84581980

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 47947, 95894, 191788, 335629, 671258, 1342516, 2924767, 5849534, 11699068, 20473369, 40946738, 81893476]

約数ペア:

[(1, 81893476), (2, 40946738), (4, 20473369), (7, 11699068), (14, 5849534), (28, 2924767), (61, 1342516), (122, 671258), (244, 335629), (427, 191788), (854, 95894), (1708, 47947)]