28367990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3191}}^1$

素因数の和:3332

約数の個数: 32

約数和(自身を含む): 58834944

約数和(自身を除く): 30466954

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 3191, 4445, 6382, 8890, 15955, 22337, 31910, 44674, 111685, 223370, 405257, 810514, 2026285, 2836799, 4052570, 5673598, 14183995, 28367990]

約数ペア:

[(1, 28367990), (2, 14183995), (5, 5673598), (7, 4052570), (10, 2836799), (14, 2026285), (35, 810514), (70, 405257), (127, 223370), (254, 111685), (635, 44674), (889, 31910), (1270, 22337), (1778, 15955), (3191, 8890), (4445, 6382)]