1215691687

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 1550456640

約数和(自身を除く): 334764953

約数列:

[1, 7, 19, 29, 53, 133, 203, 313, 361, 371, 551, 1007, 1537, 2191, 2527, 3857, 5947, 7049, 9077, 10469, 10759, 16589, 19133, 29203, 41629, 63539, 73283, 112993, 116123, 133931, 172463, 204421, 315191, 481081, 554857, 790951, 1207241, 2206337, 3276797, 3367567, 3883999, 5988629, 9140539, 22937579, 41920403, 63983773, 173670241, 1215691687]

約数ペア:

[(1, 1215691687), (7, 173670241), (19, 63983773), (29, 41920403), (53, 22937579), (133, 9140539), (203, 5988629), (313, 3883999), (361, 3367567), (371, 3276797), (551, 2206337), (1007, 1207241), (1537, 790951), (2191, 554857), (2527, 481081), (3857, 315191), (5947, 204421), (7049, 172463), (9077, 133931), (10469, 116123), (10759, 112993), (16589, 73283), (19133, 63539), (29203, 41629)]