886790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1249}}^1$

素因数の和:1327

約数の個数: 16

約数和(自身を含む): 1620000

約数和(自身を除く): 733210

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 1249, 2498, 6245, 12490, 88679, 177358, 443395, 886790]

約数ペア:

[(1, 886790), (2, 443395), (5, 177358), (10, 88679), (71, 12490), (142, 6245), (355, 2498), (710, 1249)]