129621889

素因数分解:

${\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{523}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 140348160

約数和(自身を除く): 10726271

約数列:

[1, 17, 61, 239, 523, 1037, 4063, 8891, 14579, 31903, 124997, 247843, 542351, 2124949, 7624817, 129621889]

約数ペア:

[(1, 129621889), (17, 7624817), (61, 2124949), (239, 542351), (523, 247843), (1037, 124997), (4063, 31903), (8891, 14579)]