208248963

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 333268992

約数和(自身を除く): 125020029

約数列:

[1, 3, 13, 17, 39, 41, 47, 51, 123, 141, 163, 221, 489, 533, 611, 663, 697, 799, 1599, 1833, 1927, 2091, 2119, 2397, 2771, 5781, 6357, 6683, 7661, 8313, 9061, 10387, 20049, 22983, 25051, 27183, 31161, 32759, 36023, 75153, 86879, 98277, 99593, 108069, 113611, 130237, 260637, 298779, 314101, 340833, 390711, 425867, 942303, 1277601, 1476943, 1693081, 4083313, 4430829, 5079243, 5339717, 12249939, 16019151, 69416321, 208248963]

約数ペア:

[(1, 208248963), (3, 69416321), (13, 16019151), (17, 12249939), (39, 5339717), (41, 5079243), (47, 4430829), (51, 4083313), (123, 1693081), (141, 1476943), (163, 1277601), (221, 942303), (489, 425867), (533, 390711), (611, 340833), (663, 314101), (697, 298779), (799, 260637), (1599, 130237), (1833, 113611), (1927, 108069), (2091, 99593), (2119, 98277), (2397, 86879), (2771, 75153), (5781, 36023), (6357, 32759), (6683, 31161), (7661, 27183), (8313, 25051), (9061, 22983), (10387, 20049)]