8138872

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 18662400

約数和(自身を除く): 10523528

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 71, 89, 92, 142, 161, 178, 184, 284, 322, 356, 497, 568, 623, 644, 712, 994, 1246, 1288, 1633, 1988, 2047, 2492, 3266, 3976, 4094, 4984, 6319, 6532, 8188, 11431, 12638, 13064, 14329, 16376, 22862, 25276, 28658, 44233, 45724, 50552, 57316, 88466, 91448, 114632, 145337, 176932, 290674, 353864, 581348, 1017359, 1162696, 2034718, 4069436, 8138872]

約数ペア:

[(1, 8138872), (2, 4069436), (4, 2034718), (7, 1162696), (8, 1017359), (14, 581348), (23, 353864), (28, 290674), (46, 176932), (56, 145337), (71, 114632), (89, 91448), (92, 88466), (142, 57316), (161, 50552), (178, 45724), (184, 44233), (284, 28658), (322, 25276), (356, 22862), (497, 16376), (568, 14329), (623, 13064), (644, 12638), (712, 11431), (994, 8188), (1246, 6532), (1288, 6319), (1633, 4984), (1988, 4094), (2047, 3976), (2492, 3266)]