280803016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{18121}}^1$

素因数の和:18289

約数の個数: 32

約数和(自身を含む): 570843000

約数和(自身を除く): 290039984

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 149, 298, 596, 1192, 1937, 3874, 7748, 15496, 18121, 36242, 72484, 144968, 235573, 471146, 942292, 1884584, 2700029, 5400058, 10800116, 21600232, 35100377, 70200754, 140401508, 280803016]

約数ペア:

[(1, 280803016), (2, 140401508), (4, 70200754), (8, 35100377), (13, 21600232), (26, 10800116), (52, 5400058), (104, 2700029), (149, 1884584), (298, 942292), (596, 471146), (1192, 235573), (1937, 144968), (3874, 72484), (7748, 36242), (15496, 18121)]