664296724

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{260713}}^1$

素因数の和:260744

約数の個数: 36

約数和(自身を含む): 1456348404

約数和(自身を除く): 792051680

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 260713, 521426, 1042852, 1824991, 3389269, 3649982, 6778538, 7299964, 12774937, 13557076, 23724883, 25549874, 47449766, 51099748, 94899532, 166074181, 332148362, 664296724]

約数ペア:

[(1, 664296724), (2, 332148362), (4, 166074181), (7, 94899532), (13, 51099748), (14, 47449766), (26, 25549874), (28, 23724883), (49, 13557076), (52, 12774937), (91, 7299964), (98, 6778538), (182, 3649982), (196, 3389269), (364, 1824991), (637, 1042852), (1274, 521426), (2548, 260713)]