51464636545

素因数分解:

$5^1\times 7^2\times {\mathrm{643}}^1\times {\mathrm{326687}}^1$

素因数の和:327349

約数の個数: 24

約数和(自身を含む): 71952378624

約数和(自身を除く): 20487742079

約数列:

[1, 5, 7, 35, 49, 245, 643, 3215, 4501, 22505, 31507, 157535, 326687, 1633435, 2286809, 11434045, 16007663, 80038315, 210059741, 1050298705, 1470418187, 7352090935, 10292927309, 51464636545]

約数ペア:

[(1, 51464636545), (5, 10292927309), (7, 7352090935), (35, 1470418187), (49, 1050298705), (245, 210059741), (643, 80038315), (3215, 16007663), (4501, 11434045), (22505, 2286809), (31507, 1633435), (157535, 326687)]