16616779712

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{644261}}^1$

素因数の和:644317

約数の個数: 56

約数和(自身を含む): 36655930752

約数和(自身を除く): 20039151040

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1984, 3224, 6448, 12896, 25792, 644261, 1288522, 2577044, 5154088, 8375393, 10308176, 16750786, 19972091, 20616352, 33501572, 39944182, 41232704, 67003144, 79888364, 134006288, 159776728, 259637183, 268012576, 319553456, 519274366, 536025152, 639106912, 1038548732, 1278213824, 2077097464, 4154194928, 8308389856, 16616779712]

約数ペア:

[(1, 16616779712), (2, 8308389856), (4, 4154194928), (8, 2077097464), (13, 1278213824), (16, 1038548732), (26, 639106912), (31, 536025152), (32, 519274366), (52, 319553456), (62, 268012576), (64, 259637183), (104, 159776728), (124, 134006288), (208, 79888364), (248, 67003144), (403, 41232704), (416, 39944182), (496, 33501572), (806, 20616352), (832, 19972091), (992, 16750786), (1612, 10308176), (1984, 8375393), (3224, 5154088), (6448, 2577044), (12896, 1288522), (25792, 644261)]