2008254668

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1\times {\mathrm{821}}^1$

素因数の和:1470

約数の個数: 48

約数和(自身を含む): 4050816000

約数和(自身を除く): 2042561332

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 439, 796, 821, 878, 1393, 1642, 1756, 2786, 3073, 3284, 5572, 5747, 6146, 11494, 12292, 22988, 87361, 163379, 174722, 326758, 349444, 360419, 611527, 653516, 720838, 1143653, 1223054, 1441676, 2287306, 2446108, 2522933, 4574612, 5045866, 10091732, 71723381, 143446762, 286893524, 502063667, 1004127334, 2008254668]

約数ペア:

[(1, 2008254668), (2, 1004127334), (4, 502063667), (7, 286893524), (14, 143446762), (28, 71723381), (199, 10091732), (398, 5045866), (439, 4574612), (796, 2522933), (821, 2446108), (878, 2287306), (1393, 1441676), (1642, 1223054), (1756, 1143653), (2786, 720838), (3073, 653516), (3284, 611527), (5572, 360419), (5747, 349444), (6146, 326758), (11494, 174722), (12292, 163379), (22988, 87361)]