1638692.00000000

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:476

約数の個数: 80

約数和(自身を含む): 137254656

約数和(自身を除く): 65881263

約数列:

[1, 3, 7, 9, 13, 21, 23, 27, 39, 63, 69, 81, 91, 117, 161, 189, 207, 273, 299, 351, 421, 483, 567, 621, 819, 897, 1053, 1263, 1449, 1863, 2093, 2457, 2691, 2947, 3789, 4347, 5473, 6279, 7371, 8073, 8841, 9683, 11367, 13041, 16419, 18837, 24219, 26523, 29049, 34101, 38311, 49257, 56511, 67781, 79569, 87147, 114933, 125879, 147771, 169533, 203343, 238707, 261441, 344799, 377637, 443313, 610029, 784323, 881153, 1034397, 1132911, 1830087, 2643459, 3103191, 3398733, 5490261, 7930377, 10196199, 23791131, 71373393]

約数ペア:

[(1, 71373393), (3, 23791131), (7, 10196199), (9, 7930377), (13, 5490261), (21, 3398733), (23, 3103191), (27, 2643459), (39, 1830087), (63, 1132911), (69, 1034397), (81, 881153), (91, 784323), (117, 610029), (161, 443313), (189, 377637), (207, 344799), (273, 261441), (299, 238707), (351, 203343), (421, 169533), (483, 147771), (567, 125879), (621, 114933), (819, 87147), (897, 79569), (1053, 67781), (1263, 56511), (1449, 49257), (1863, 38311), (2093, 34101), (2457, 29049), (2691, 26523), (2947, 24219), (3789, 18837), (4347, 16419), (5473, 13041), (6279, 11367), (7371, 9683), (8073, 8841)]