813821648

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{2671}}^1$

素因数の和:2955

約数の個数: 40

約数和(自身を含む): 1600314240

約数和(自身を除く): 786492592

約数列:

[1, 2, 4, 8, 16, 137, 139, 274, 278, 548, 556, 1096, 1112, 2192, 2224, 2671, 5342, 10684, 19043, 21368, 38086, 42736, 76172, 152344, 304688, 365927, 371269, 731854, 742538, 1463708, 1485076, 2927416, 2970152, 5854832, 5940304, 50863853, 101727706, 203455412, 406910824, 813821648]

約数ペア:

[(1, 813821648), (2, 406910824), (4, 203455412), (8, 101727706), (16, 50863853), (137, 5940304), (139, 5854832), (274, 2970152), (278, 2927416), (548, 1485076), (556, 1463708), (1096, 742538), (1112, 731854), (2192, 371269), (2224, 365927), (2671, 304688), (5342, 152344), (10684, 76172), (19043, 42736), (21368, 38086)]