208513638

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{2551}}^1$

素因数の和:2817

約数の個数: 48

約数和(自身を含む): 477734400

約数和(自身を除く): 269220762

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 239, 342, 478, 717, 1434, 2151, 2551, 4302, 4541, 5102, 7653, 9082, 13623, 15306, 22959, 27246, 40869, 45918, 48469, 81738, 96938, 145407, 290814, 436221, 609689, 872442, 1219378, 1829067, 3658134, 5487201, 10974402, 11584091, 23168182, 34752273, 69504546, 104256819, 208513638]

約数ペア:

[(1, 208513638), (2, 104256819), (3, 69504546), (6, 34752273), (9, 23168182), (18, 11584091), (19, 10974402), (38, 5487201), (57, 3658134), (114, 1829067), (171, 1219378), (239, 872442), (342, 609689), (478, 436221), (717, 290814), (1434, 145407), (2151, 96938), (2551, 81738), (4302, 48469), (4541, 45918), (5102, 40869), (7653, 27246), (9082, 22959), (13623, 15306)]