393127975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{19681}}^1$

素因数の和:19755

約数の個数: 24

約数和(自身を含む): 527162688

約数和(自身を除く): 134034713

約数列:

[1, 5, 17, 25, 47, 85, 235, 425, 799, 1175, 3995, 19681, 19975, 98405, 334577, 492025, 925007, 1672885, 4625035, 8364425, 15725119, 23125175, 78625595, 393127975]

約数ペア:

[(1, 393127975), (5, 78625595), (17, 23125175), (25, 15725119), (47, 8364425), (85, 4625035), (235, 1672885), (425, 925007), (799, 492025), (1175, 334577), (3995, 98405), (19681, 19975)]