128980475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3709}}^1$

素因数の和:3839

約数の個数: 24

約数和(自身を含む): 173895120

約数和(自身を除く): 44914645

約数列:

[1, 5, 13, 25, 65, 107, 325, 535, 1391, 2675, 3709, 6955, 18545, 34775, 48217, 92725, 241085, 396863, 1205425, 1984315, 5159219, 9921575, 25796095, 128980475]

約数ペア:

[(1, 128980475), (5, 25796095), (13, 9921575), (25, 5159219), (65, 1984315), (107, 1205425), (325, 396863), (535, 241085), (1391, 92725), (2675, 48217), (3709, 34775), (6955, 18545)]