12820472

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4871}}^1$

素因数の和:4931

約数の個数: 32

約数和(自身を含む): 28062720

約数和(自身を除く): 15242248

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 4871, 9742, 19484, 34097, 38968, 68194, 136388, 228937, 272776, 457874, 915748, 1602559, 1831496, 3205118, 6410236, 12820472]

約数ペア:

[(1, 12820472), (2, 6410236), (4, 3205118), (7, 1831496), (8, 1602559), (14, 915748), (28, 457874), (47, 272776), (56, 228937), (94, 136388), (188, 68194), (329, 38968), (376, 34097), (658, 19484), (1316, 9742), (2632, 4871)]