205519105

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{941}}^1$

素因数の和:1006

約数の個数: 36

約数和(自身を含む): 286403796

約数和(自身を除く): 80884691

約数列:

[1, 5, 11, 19, 55, 95, 121, 209, 361, 605, 941, 1045, 1805, 2299, 3971, 4705, 10351, 11495, 17879, 19855, 43681, 51755, 89395, 113861, 196669, 218405, 339701, 569305, 983345, 1698505, 2163359, 3736711, 10816795, 18683555, 41103821, 205519105]

約数ペア:

[(1, 205519105), (5, 41103821), (11, 18683555), (19, 10816795), (55, 3736711), (95, 2163359), (121, 1698505), (209, 983345), (361, 569305), (605, 339701), (941, 218405), (1045, 196669), (1805, 113861), (2299, 89395), (3971, 51755), (4705, 43681), (10351, 19855), (11495, 17879)]