201655531

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 282240000

約数和(自身を除く): 80584469

約数列:

[1, 7, 11, 19, 29, 49, 77, 97, 133, 203, 209, 319, 343, 539, 551, 679, 931, 1067, 1421, 1463, 1843, 2233, 2813, 3773, 3857, 4753, 6061, 6517, 7469, 9947, 10241, 12901, 15631, 19691, 20273, 26999, 30943, 33271, 42427, 52283, 53447, 71687, 90307, 109417, 137837, 141911, 188993, 216601, 296989, 365981, 374129, 587917, 632149, 964859, 993377, 1516207, 2078923, 2618903, 4115419, 6953639, 10613449, 18332321, 28807933, 201655531]

約数ペア:

[(1, 201655531), (7, 28807933), (11, 18332321), (19, 10613449), (29, 6953639), (49, 4115419), (77, 2618903), (97, 2078923), (133, 1516207), (203, 993377), (209, 964859), (319, 632149), (343, 587917), (539, 374129), (551, 365981), (679, 296989), (931, 216601), (1067, 188993), (1421, 141911), (1463, 137837), (1843, 109417), (2233, 90307), (2813, 71687), (3773, 53447), (3857, 52283), (4753, 42427), (6061, 33271), (6517, 30943), (7469, 26999), (9947, 20273), (10241, 19691), (12901, 15631)]