12490055

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1418

約数の個数: 16

約数和(自身を含む): 15737088

約数和(自身を除く): 3247033

約数列:

[1, 5, 31, 61, 155, 305, 1321, 1891, 6605, 9455, 40951, 80581, 204755, 402905, 2498011, 12490055]

約数ペア:

[(1, 12490055), (5, 2498011), (31, 402905), (61, 204755), (155, 80581), (305, 40951), (1321, 9455), (1891, 6605)]