85378216

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:335

約数の個数: 128

約数和(自身を含む): 218972160

約数和(自身を除く): 133593944

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 31, 34, 44, 56, 62, 68, 77, 88, 119, 124, 136, 154, 187, 217, 238, 248, 263, 308, 341, 374, 434, 476, 526, 527, 616, 682, 748, 868, 952, 1052, 1054, 1309, 1364, 1496, 1736, 1841, 2104, 2108, 2387, 2618, 2728, 2893, 3682, 3689, 4216, 4471, 4774, 5236, 5786, 5797, 7364, 7378, 8153, 8942, 9548, 10472, 11572, 11594, 14728, 14756, 16306, 17884, 19096, 20251, 23144, 23188, 29512, 31297, 32612, 35768, 40502, 40579, 46376, 49181, 57071, 62594, 65224, 81004, 81158, 89683, 98362, 114142, 125188, 138601, 162008, 162316, 179366, 196724, 228284, 250376, 277202, 324632, 344267, 358732, 393448, 456568, 554404, 627781, 688534, 717464, 970207, 1108808, 1255562, 1377068, 1524611, 1940414, 2511124, 2754136, 3049222, 3880828, 5022248, 6098444, 7761656, 10672277, 12196888, 21344554, 42689108, 85378216]

約数ペア:

[(1, 85378216), (2, 42689108), (4, 21344554), (7, 12196888), (8, 10672277), (11, 7761656), (14, 6098444), (17, 5022248), (22, 3880828), (28, 3049222), (31, 2754136), (34, 2511124), (44, 1940414), (56, 1524611), (62, 1377068), (68, 1255562), (77, 1108808), (88, 970207), (119, 717464), (124, 688534), (136, 627781), (154, 554404), (187, 456568), (217, 393448), (238, 358732), (248, 344267), (263, 324632), (308, 277202), (341, 250376), (374, 228284), (434, 196724), (476, 179366), (526, 162316), (527, 162008), (616, 138601), (682, 125188), (748, 114142), (868, 98362), (952, 89683), (1052, 81158), (1054, 81004), (1309, 65224), (1364, 62594), (1496, 57071), (1736, 49181), (1841, 46376), (2104, 40579), (2108, 40502), (2387, 35768), (2618, 32612), (2728, 31297), (2893, 29512), (3682, 23188), (3689, 23144), (4216, 20251), (4471, 19096), (4774, 17884), (5236, 16306), (5786, 14756), (5797, 14728), (7364, 11594), (7378, 11572), (8153, 10472), (8942, 9548)]