1639224639

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1\times {\mathrm{1579}}^1$

素因数の和:2084

約数の個数: 48

約数和(自身を含む): 2691561600

約数和(自身を除く): 1052336961

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 467, 741, 1401, 1579, 2223, 4203, 4737, 6071, 8873, 14211, 18213, 20527, 26619, 30001, 54639, 61581, 79857, 90003, 115349, 184743, 270009, 346047, 390013, 737393, 1038141, 1170039, 2212179, 3510117, 6636537, 9586109, 14010467, 28758327, 42031401, 86274981, 126094203, 182136071, 546408213, 1639224639]

約数ペア:

[(1, 1639224639), (3, 546408213), (9, 182136071), (13, 126094203), (19, 86274981), (39, 42031401), (57, 28758327), (117, 14010467), (171, 9586109), (247, 6636537), (467, 3510117), (741, 2212179), (1401, 1170039), (1579, 1038141), (2223, 737393), (4203, 390013), (4737, 346047), (6071, 270009), (8873, 184743), (14211, 115349), (18213, 90003), (20527, 79857), (26619, 61581), (30001, 54639)]