78881264

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1558

約数の個数: 80

約数和(自身を含む): 195106560

約数和(自身を除く): 116225296

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 43, 44, 56, 77, 86, 88, 112, 154, 172, 176, 301, 308, 344, 473, 602, 616, 688, 946, 1204, 1232, 1489, 1892, 2408, 2978, 3311, 3784, 4816, 5956, 6622, 7568, 10423, 11912, 13244, 16379, 20846, 23824, 26488, 32758, 41692, 52976, 64027, 65516, 83384, 114653, 128054, 131032, 166768, 229306, 256108, 262064, 448189, 458612, 512216, 704297, 896378, 917224, 1024432, 1408594, 1792756, 1834448, 2817188, 3585512, 4930079, 5634376, 7171024, 9860158, 11268752, 19720316, 39440632, 78881264]

約数ペア:

[(1, 78881264), (2, 39440632), (4, 19720316), (7, 11268752), (8, 9860158), (11, 7171024), (14, 5634376), (16, 4930079), (22, 3585512), (28, 2817188), (43, 1834448), (44, 1792756), (56, 1408594), (77, 1024432), (86, 917224), (88, 896378), (112, 704297), (154, 512216), (172, 458612), (176, 448189), (301, 262064), (308, 256108), (344, 229306), (473, 166768), (602, 131032), (616, 128054), (688, 114653), (946, 83384), (1204, 65516), (1232, 64027), (1489, 52976), (1892, 41692), (2408, 32758), (2978, 26488), (3311, 23824), (3784, 20846), (4816, 16379), (5956, 13244), (6622, 11912), (7568, 10423)]