28284424

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 63221760

約数和(自身を除く): 34937336

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 97, 127, 164, 194, 254, 287, 328, 388, 508, 574, 679, 776, 889, 1016, 1148, 1358, 1778, 2296, 2716, 3556, 3977, 5207, 5432, 7112, 7954, 10414, 12319, 15908, 20828, 24638, 27839, 31816, 36449, 41656, 49276, 55678, 72898, 86233, 98552, 111356, 145796, 172466, 222712, 291592, 344932, 505079, 689864, 1010158, 2020316, 3535553, 4040632, 7071106, 14142212, 28284424]

約数ペア:

[(1, 28284424), (2, 14142212), (4, 7071106), (7, 4040632), (8, 3535553), (14, 2020316), (28, 1010158), (41, 689864), (56, 505079), (82, 344932), (97, 291592), (127, 222712), (164, 172466), (194, 145796), (254, 111356), (287, 98552), (328, 86233), (388, 72898), (508, 55678), (574, 49276), (679, 41656), (776, 36449), (889, 31816), (1016, 27839), (1148, 24638), (1358, 20828), (1778, 15908), (2296, 12319), (2716, 10414), (3556, 7954), (3977, 7112), (5207, 5432)]