251342675

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{1361}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 319198320

約数和(自身を除く): 67855645

約数列:

[1, 5, 25, 83, 89, 415, 445, 1361, 2075, 2225, 6805, 7387, 34025, 36935, 112963, 121129, 184675, 564815, 605645, 2824075, 3028225, 10053707, 50268535, 251342675]

約数ペア:

[(1, 251342675), (5, 50268535), (25, 10053707), (83, 3028225), (89, 2824075), (415, 605645), (445, 564815), (1361, 184675), (2075, 121129), (2225, 112963), (6805, 36935), (7387, 34025)]