12738425

素因数分解:

$5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{877}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 18290496

約数和(自身を除く): 5552071

約数列:

[1, 5, 7, 25, 35, 83, 175, 415, 581, 877, 2075, 2905, 4385, 6139, 14525, 21925, 30695, 72791, 153475, 363955, 509537, 1819775, 2547685, 12738425]

約数ペア:

[(1, 12738425), (5, 2547685), (7, 1819775), (25, 509537), (35, 363955), (83, 153475), (175, 72791), (415, 30695), (581, 21925), (877, 14525), (2075, 6139), (2905, 4385)]