25643638

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1\times {\mathrm{431}}^1$

素因数の和:923

約数の個数: 16

約数和(自身を含む): 39191040

約数和(自身を除く): 13547402

約数列:

[1, 2, 71, 142, 419, 431, 838, 862, 29749, 30601, 59498, 61202, 180589, 361178, 12821819, 25643638]

約数ペア:

[(1, 25643638), (2, 12821819), (71, 361178), (142, 180589), (419, 61202), (431, 59498), (838, 30601), (862, 29749)]