389651834

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 719953920

約数和(自身を除く): 330302086

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 71, 142, 143, 286, 341, 403, 619, 682, 781, 806, 923, 1238, 1562, 1846, 2201, 4402, 4433, 6809, 8047, 8866, 10153, 13618, 16094, 19189, 20306, 24211, 28613, 38378, 43949, 48422, 57226, 87898, 88517, 177034, 211079, 249457, 314743, 422158, 483439, 498914, 571337, 629486, 966878, 1142674, 1362419, 2724838, 2744027, 5488054, 6284707, 12569414, 14986609, 17711447, 29973218, 35422894, 194825917, 389651834]

約数ペア:

[(1, 389651834), (2, 194825917), (11, 35422894), (13, 29973218), (22, 17711447), (26, 14986609), (31, 12569414), (62, 6284707), (71, 5488054), (142, 2744027), (143, 2724838), (286, 1362419), (341, 1142674), (403, 966878), (619, 629486), (682, 571337), (781, 498914), (806, 483439), (923, 422158), (1238, 314743), (1562, 249457), (1846, 211079), (2201, 177034), (4402, 88517), (4433, 87898), (6809, 57226), (8047, 48422), (8866, 43949), (10153, 38378), (13618, 28613), (16094, 24211), (19189, 20306)]