128656304

素因数分解:

$2^4\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2953}}^1$

素因数の和:3357

約数の個数: 40

約数和(自身を含む): 285710880

約数和(自身を除く): 157054576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 389, 778, 1556, 2723, 2953, 3112, 5446, 5906, 6224, 10892, 11812, 20671, 21784, 23624, 41342, 43568, 47248, 82684, 165368, 330736, 1148717, 2297434, 4594868, 8041019, 9189736, 16082038, 18379472, 32164076, 64328152, 128656304]

約数ペア:

[(1, 128656304), (2, 64328152), (4, 32164076), (7, 18379472), (8, 16082038), (14, 9189736), (16, 8041019), (28, 4594868), (56, 2297434), (112, 1148717), (389, 330736), (778, 165368), (1556, 82684), (2723, 47248), (2953, 43568), (3112, 41342), (5446, 23624), (5906, 21784), (6224, 20671), (10892, 11812)]