28380307966

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1\times {\mathrm{12953}}^1$

素因数の和:13420

約数の個数: 32

約数和(自身を含む): 44287135200

約数和(自身を除く): 15906827234

約数列:

[1, 2, 43, 73, 86, 146, 349, 698, 3139, 6278, 12953, 15007, 25477, 25906, 30014, 50954, 556979, 945569, 1095511, 1113958, 1891138, 2191022, 4520597, 9041194, 40659467, 81318934, 194385671, 330003581, 388771342, 660007162, 14190153983, 28380307966]

約数ペア:

[(1, 28380307966), (2, 14190153983), (43, 660007162), (73, 388771342), (86, 330003581), (146, 194385671), (349, 81318934), (698, 40659467), (3139, 9041194), (6278, 4520597), (12953, 2191022), (15007, 1891138), (25477, 1113958), (25906, 1095511), (30014, 945569), (50954, 556979)]