2057290417

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 2781757440

約数和(自身を除く): 724467023

約数列:

[1, 7, 13, 19, 31, 91, 131, 133, 217, 247, 293, 403, 589, 917, 1703, 1729, 2051, 2489, 2821, 3809, 4061, 4123, 5567, 7657, 9083, 11921, 17423, 26663, 28427, 32357, 38383, 38969, 52793, 53599, 63581, 72371, 77159, 118079, 172577, 226499, 268681, 369551, 498979, 506597, 540113, 729277, 826553, 1003067, 1189873, 1208039, 2243501, 3492853, 5104939, 7021469, 8329111, 9480601, 15468349, 15704507, 22607587, 66364207, 108278443, 158253109, 293898631, 2057290417]

約数ペア:

[(1, 2057290417), (7, 293898631), (13, 158253109), (19, 108278443), (31, 66364207), (91, 22607587), (131, 15704507), (133, 15468349), (217, 9480601), (247, 8329111), (293, 7021469), (403, 5104939), (589, 3492853), (917, 2243501), (1703, 1208039), (1729, 1189873), (2051, 1003067), (2489, 826553), (2821, 729277), (3809, 540113), (4061, 506597), (4123, 498979), (5567, 369551), (7657, 268681), (9083, 226499), (11921, 172577), (17423, 118079), (26663, 77159), (28427, 72371), (32357, 63581), (38383, 53599), (38969, 52793)]