12999785

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:448

約数の個数: 16

約数和(自身を含む): 15966720

約数和(自身を除く): 2966935

約数列:

[1, 5, 89, 131, 223, 445, 655, 1115, 11659, 19847, 29213, 58295, 99235, 146065, 2599957, 12999785]

約数ペア:

[(1, 12999785), (5, 2599957), (89, 146065), (131, 99235), (223, 58295), (445, 29213), (655, 19847), (1115, 11659)]