389875981

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 441763200

約数和(自身を除く): 51887219

約数列:

[1, 11, 71, 79, 89, 781, 869, 979, 5041, 5609, 6319, 7031, 55451, 61699, 69509, 77341, 398239, 448649, 499201, 4380629, 4935139, 5491211, 35443271, 389875981]

約数ペア:

[(1, 389875981), (11, 35443271), (71, 5491211), (79, 4935139), (89, 4380629), (781, 499201), (869, 448649), (979, 398239), (5041, 77341), (5609, 69509), (6319, 61699), (7031, 55451)]