257788314

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{15383}}^1$

素因数の和:15424

約数の個数: 72

約数和(自身を含む): 683972640

約数和(自身を除く): 426184326

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 49, 57, 63, 98, 114, 126, 133, 147, 171, 266, 294, 342, 399, 441, 798, 882, 931, 1197, 1862, 2394, 2793, 5586, 8379, 15383, 16758, 30766, 46149, 92298, 107681, 138447, 215362, 276894, 292277, 323043, 584554, 646086, 753767, 876831, 969129, 1507534, 1753662, 1938258, 2045939, 2261301, 2630493, 4091878, 4522602, 5260986, 6137817, 6783903, 12275634, 13567806, 14321573, 18413451, 28643146, 36826902, 42964719, 85929438, 128894157, 257788314]

約数ペア:

[(1, 257788314), (2, 128894157), (3, 85929438), (6, 42964719), (7, 36826902), (9, 28643146), (14, 18413451), (18, 14321573), (19, 13567806), (21, 12275634), (38, 6783903), (42, 6137817), (49, 5260986), (57, 4522602), (63, 4091878), (98, 2630493), (114, 2261301), (126, 2045939), (133, 1938258), (147, 1753662), (171, 1507534), (266, 969129), (294, 876831), (342, 753767), (399, 646086), (441, 584554), (798, 323043), (882, 292277), (931, 276894), (1197, 215362), (1862, 138447), (2394, 107681), (2793, 92298), (5586, 46149), (8379, 30766), (15383, 16758)]