12489965

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{233}}^1$

素因数の和:460

約数の個数: 16

約数和(自身を含む): 15365376

約数和(自身を除く): 2875411

約数列:

[1, 5, 71, 151, 233, 355, 755, 1165, 10721, 16543, 35183, 53605, 82715, 175915, 2497993, 12489965]

約数ペア:

[(1, 12489965), (5, 2497993), (71, 175915), (151, 82715), (233, 53605), (355, 35183), (755, 16543), (1165, 10721)]