690147136

素因数分解:

$2^6\times 7^1\times {\mathrm{647}}^1\times {\mathrm{2381}}^1$

素因数の和:3047

約数の個数: 56

約数和(自身を含む): 1568232576

約数和(自身を除く): 878085440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 647, 1294, 2381, 2588, 4529, 4762, 5176, 9058, 9524, 10352, 16667, 18116, 19048, 20704, 33334, 36232, 38096, 41408, 66668, 72464, 76192, 133336, 144928, 152384, 266672, 289856, 533344, 1066688, 1540507, 3081014, 6162028, 10783549, 12324056, 21567098, 24648112, 43134196, 49296224, 86268392, 98592448, 172536784, 345073568, 690147136]

約数ペア:

[(1, 690147136), (2, 345073568), (4, 172536784), (7, 98592448), (8, 86268392), (14, 49296224), (16, 43134196), (28, 24648112), (32, 21567098), (56, 12324056), (64, 10783549), (112, 6162028), (224, 3081014), (448, 1540507), (647, 1066688), (1294, 533344), (2381, 289856), (2588, 266672), (4529, 152384), (4762, 144928), (5176, 133336), (9058, 76192), (9524, 72464), (10352, 66668), (16667, 41408), (18116, 38096), (19048, 36232), (20704, 33334)]