81457376

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2543}}^1$

素因数の和:2584

約数の個数: 96

約数和(自身を含む): 215405568

約数和(自身を除く): 133948192

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 224, 286, 308, 352, 364, 416, 572, 616, 728, 1001, 1144, 1232, 1456, 2002, 2288, 2464, 2543, 2912, 4004, 4576, 5086, 8008, 10172, 16016, 17801, 20344, 27973, 32032, 33059, 35602, 40688, 55946, 66118, 71204, 81376, 111892, 132236, 142408, 195811, 223784, 231413, 264472, 284816, 363649, 391622, 447568, 462826, 528944, 569632, 727298, 783244, 895136, 925652, 1057888, 1454596, 1566488, 1851304, 2545543, 2909192, 3132976, 3702608, 5091086, 5818384, 6265952, 7405216, 10182172, 11636768, 20364344, 40728688, 81457376]

約数ペア:

[(1, 81457376), (2, 40728688), (4, 20364344), (7, 11636768), (8, 10182172), (11, 7405216), (13, 6265952), (14, 5818384), (16, 5091086), (22, 3702608), (26, 3132976), (28, 2909192), (32, 2545543), (44, 1851304), (52, 1566488), (56, 1454596), (77, 1057888), (88, 925652), (91, 895136), (104, 783244), (112, 727298), (143, 569632), (154, 528944), (176, 462826), (182, 447568), (208, 391622), (224, 363649), (286, 284816), (308, 264472), (352, 231413), (364, 223784), (416, 195811), (572, 142408), (616, 132236), (728, 111892), (1001, 81376), (1144, 71204), (1232, 66118), (1456, 55946), (2002, 40688), (2288, 35602), (2464, 33059), (2543, 32032), (2912, 27973), (4004, 20344), (4576, 17801), (5086, 16016), (8008, 10172)]