1990296935

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{821}}^1\times {\mathrm{4007}}^1$

素因数の和:4855

約数の個数: 24

約数和(自身を含む): 2629071648

約数和(自身を除く): 638774713

約数列:

[1, 5, 11, 55, 121, 605, 821, 4007, 4105, 9031, 20035, 44077, 45155, 99341, 220385, 484847, 496705, 2424235, 3289747, 16448735, 36187217, 180936085, 398059387, 1990296935]

約数ペア:

[(1, 1990296935), (5, 398059387), (11, 180936085), (55, 36187217), (121, 16448735), (605, 3289747), (821, 2424235), (4007, 496705), (4105, 484847), (9031, 220385), (20035, 99341), (44077, 45155)]