51572339

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 70555968

約数和(自身を除く): 18983629

約数列:

[1, 7, 13, 17, 37, 53, 91, 119, 221, 259, 289, 371, 481, 629, 689, 901, 1547, 1961, 2023, 3367, 3757, 4403, 4823, 6307, 8177, 10693, 11713, 13727, 15317, 25493, 26299, 33337, 57239, 74851, 81991, 107219, 139009, 178451, 199121, 233359, 433381, 566729, 973063, 1393847, 3033667, 3967103, 7367477, 51572339]

約数ペア:

[(1, 51572339), (7, 7367477), (13, 3967103), (17, 3033667), (37, 1393847), (53, 973063), (91, 566729), (119, 433381), (221, 233359), (259, 199121), (289, 178451), (371, 139009), (481, 107219), (629, 81991), (689, 74851), (901, 57239), (1547, 33337), (1961, 26299), (2023, 25493), (3367, 15317), (3757, 13727), (4403, 11713), (4823, 10693), (6307, 8177)]