12996925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{577}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 17416296

約数和(自身を除く): 4419371

約数列:

[1, 5, 17, 25, 53, 85, 265, 425, 577, 901, 1325, 2885, 4505, 9809, 14425, 22525, 30581, 49045, 152905, 245225, 519877, 764525, 2599385, 12996925]

約数ペア:

[(1, 12996925), (5, 2599385), (17, 764525), (25, 519877), (53, 245225), (85, 152905), (265, 49045), (425, 30581), (577, 22525), (901, 14425), (1325, 9809), (2885, 4505)]