685655696

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:381

約数の個数: 120

約数和(自身を含む): 1570961952

約数和(自身を除く): 885306256

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 83, 88, 121, 136, 166, 176, 187, 242, 251, 272, 332, 374, 484, 502, 664, 748, 913, 968, 1004, 1328, 1411, 1496, 1826, 1936, 2008, 2057, 2761, 2822, 2992, 3652, 4016, 4114, 4267, 5522, 5644, 7304, 8228, 8534, 10043, 11044, 11288, 14608, 15521, 16456, 17068, 20086, 20833, 22088, 22576, 30371, 31042, 32912, 34136, 40172, 41666, 44176, 46937, 60742, 62084, 68272, 80344, 83332, 93874, 121484, 124168, 160688, 166664, 170731, 187748, 229163, 242968, 248336, 333328, 341462, 354161, 375496, 458326, 485936, 516307, 682924, 708322, 750992, 916652, 1032614, 1365848, 1416644, 1833304, 2065228, 2520793, 2731696, 2833288, 3666608, 3895771, 4130456, 5041586, 5666576, 7791542, 8260912, 10083172, 15583084, 20166344, 31166168, 40332688, 42853481, 62332336, 85706962, 171413924, 342827848, 685655696]

約数ペア:

[(1, 685655696), (2, 342827848), (4, 171413924), (8, 85706962), (11, 62332336), (16, 42853481), (17, 40332688), (22, 31166168), (34, 20166344), (44, 15583084), (68, 10083172), (83, 8260912), (88, 7791542), (121, 5666576), (136, 5041586), (166, 4130456), (176, 3895771), (187, 3666608), (242, 2833288), (251, 2731696), (272, 2520793), (332, 2065228), (374, 1833304), (484, 1416644), (502, 1365848), (664, 1032614), (748, 916652), (913, 750992), (968, 708322), (1004, 682924), (1328, 516307), (1411, 485936), (1496, 458326), (1826, 375496), (1936, 354161), (2008, 341462), (2057, 333328), (2761, 248336), (2822, 242968), (2992, 229163), (3652, 187748), (4016, 170731), (4114, 166664), (4267, 160688), (5522, 124168), (5644, 121484), (7304, 93874), (8228, 83332), (8534, 80344), (10043, 68272), (11044, 62084), (11288, 60742), (14608, 46937), (15521, 44176), (16456, 41666), (17068, 40172), (20086, 34136), (20833, 32912), (22088, 31042), (22576, 30371)]