17280580190

素因数分解:

$2^1\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{865327}}^1$

素因数の和:867331

約数の個数: 16

約数和(自身を含む): 31120656192

約数和(自身を除く): 13840076002

約数列:

[1, 2, 5, 10, 1997, 3994, 9985, 19970, 865327, 1730654, 4326635, 8653270, 1728058019, 3456116038, 8640290095, 17280580190]

約数ペア:

[(1, 17280580190), (2, 8640290095), (5, 3456116038), (10, 1728058019), (1997, 8653270), (3994, 4326635), (9985, 1730654), (19970, 865327)]