9890426

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1753}}^1$

素因数の和:1806

約数の個数: 32

約数和(自身を含む): 18859008

約数和(自身を除く): 8968582

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 1753, 2821, 3506, 5642, 12271, 22789, 24542, 45578, 54343, 108686, 159523, 319046, 380401, 706459, 760802, 1412918, 4945213, 9890426]

約数ペア:

[(1, 9890426), (2, 4945213), (7, 1412918), (13, 760802), (14, 706459), (26, 380401), (31, 319046), (62, 159523), (91, 108686), (182, 54343), (217, 45578), (403, 24542), (434, 22789), (806, 12271), (1753, 5642), (2821, 3506)]