858503884

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{1559}}^1$

素因数の和:1918

約数の個数: 48

約数和(自身を含む): 1748597760

約数和(自身を除く): 890093876

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 277, 284, 497, 554, 994, 1108, 1559, 1939, 1988, 3118, 3878, 6236, 7756, 10913, 19667, 21826, 39334, 43652, 78668, 110689, 137669, 221378, 275338, 431843, 442756, 550676, 774823, 863686, 1549646, 1727372, 3022901, 3099292, 6045802, 12091604, 30660853, 61321706, 122643412, 214625971, 429251942, 858503884]

約数ペア:

[(1, 858503884), (2, 429251942), (4, 214625971), (7, 122643412), (14, 61321706), (28, 30660853), (71, 12091604), (142, 6045802), (277, 3099292), (284, 3022901), (497, 1727372), (554, 1549646), (994, 863686), (1108, 774823), (1559, 550676), (1939, 442756), (1988, 431843), (3118, 275338), (3878, 221378), (6236, 137669), (7756, 110689), (10913, 78668), (19667, 43652), (21826, 39334)]