9989525

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4391}}^1$

素因数の和:4421

約数の個数: 24

約数和(自身を含む): 15249024

約数和(自身を除く): 5259499

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 4391, 21955, 30737, 57083, 109775, 153685, 285415, 399581, 768425, 1427075, 1997905, 9989525]

約数ペア:

[(1, 9989525), (5, 1997905), (7, 1427075), (13, 768425), (25, 399581), (35, 285415), (65, 153685), (91, 109775), (175, 57083), (325, 30737), (455, 21955), (2275, 4391)]