64657796

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 134064000

約数和(自身を除く): 69406204

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 139, 148, 259, 278, 449, 518, 556, 898, 973, 1036, 1796, 1946, 3143, 3892, 5143, 6286, 10286, 12572, 16613, 20572, 33226, 36001, 62411, 66452, 72002, 116291, 124822, 144004, 232582, 249644, 436877, 465164, 873754, 1747508, 2309207, 4618414, 9236828, 16164449, 32328898, 64657796]

約数ペア:

[(1, 64657796), (2, 32328898), (4, 16164449), (7, 9236828), (14, 4618414), (28, 2309207), (37, 1747508), (74, 873754), (139, 465164), (148, 436877), (259, 249644), (278, 232582), (449, 144004), (518, 124822), (556, 116291), (898, 72002), (973, 66452), (1036, 62411), (1796, 36001), (1946, 33226), (3143, 20572), (3892, 16613), (5143, 12572), (6286, 10286)]