8690330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 17193600

約数和(自身を除く): 8503270

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 397, 398, 794, 995, 1985, 1990, 2189, 3970, 4367, 4378, 8734, 10945, 21835, 21890, 43670, 79003, 158006, 395015, 790030, 869033, 1738066, 4345165, 8690330]

約数ペア:

[(1, 8690330), (2, 4345165), (5, 1738066), (10, 869033), (11, 790030), (22, 395015), (55, 158006), (110, 79003), (199, 43670), (397, 21890), (398, 21835), (794, 10945), (995, 8734), (1985, 4378), (1990, 4367), (2189, 3970)]