1971564

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{479}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 5376000

約数和(自身を除く): 3404436

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 479, 588, 686, 958, 1029, 1372, 1437, 1916, 2058, 2874, 3353, 4116, 5748, 6706, 10059, 13412, 20118, 23471, 40236, 46942, 70413, 93884, 140826, 164297, 281652, 328594, 492891, 657188, 985782, 1971564]

約数ペア:

[(1, 1971564), (2, 985782), (3, 657188), (4, 492891), (6, 328594), (7, 281652), (12, 164297), (14, 140826), (21, 93884), (28, 70413), (42, 46942), (49, 40236), (84, 23471), (98, 20118), (147, 13412), (196, 10059), (294, 6706), (343, 5748), (479, 4116), (588, 3353), (686, 2874), (958, 2058), (1029, 1916), (1372, 1437)]