15866872

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 36126720

約数和(自身を除く): 20259848

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 97, 127, 161, 184, 194, 254, 322, 388, 508, 644, 679, 776, 889, 1016, 1288, 1358, 1778, 2231, 2716, 2921, 3556, 4462, 5432, 5842, 7112, 8924, 11684, 12319, 15617, 17848, 20447, 23368, 24638, 31234, 40894, 49276, 62468, 81788, 86233, 98552, 124936, 163576, 172466, 283337, 344932, 566674, 689864, 1133348, 1983359, 2266696, 3966718, 7933436, 15866872]

約数ペア:

[(1, 15866872), (2, 7933436), (4, 3966718), (7, 2266696), (8, 1983359), (14, 1133348), (23, 689864), (28, 566674), (46, 344932), (56, 283337), (92, 172466), (97, 163576), (127, 124936), (161, 98552), (184, 86233), (194, 81788), (254, 62468), (322, 49276), (388, 40894), (508, 31234), (644, 24638), (679, 23368), (776, 20447), (889, 17848), (1016, 15617), (1288, 12319), (1358, 11684), (1778, 8924), (2231, 7112), (2716, 5842), (2921, 5432), (3556, 4462)]