9938990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 18938880

約数和(自身を除く): 8999890

約数列:

[1, 2, 5, 10, 23, 46, 79, 115, 158, 230, 395, 547, 790, 1094, 1817, 2735, 3634, 5470, 9085, 12581, 18170, 25162, 43213, 62905, 86426, 125810, 216065, 432130, 993899, 1987798, 4969495, 9938990]

約数ペア:

[(1, 9938990), (2, 4969495), (5, 1987798), (10, 993899), (23, 432130), (46, 216065), (79, 125810), (115, 86426), (158, 62905), (230, 43213), (395, 25162), (547, 18170), (790, 12581), (1094, 9085), (1817, 5470), (2735, 3634)]