689690521

素因数分解:

${\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 763680960

約数和(自身を除く): 73990439

約数列:

[1, 13, 71, 169, 229, 251, 923, 2977, 3263, 11999, 16259, 17821, 38701, 42419, 57479, 211367, 231673, 747227, 2747771, 3011749, 4081009, 9713951, 53053117, 689690521]

約数ペア:

[(1, 689690521), (13, 53053117), (71, 9713951), (169, 4081009), (229, 3011749), (251, 2747771), (923, 747227), (2977, 231673), (3263, 211367), (11999, 57479), (16259, 42419), (17821, 38701)]