664712308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{1933}}^1$

素因数の和:2356

約数の個数: 48

約数和(自身を含む): 1330514640

約数和(自身を除く): 665802332

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 389, 442, 778, 884, 1556, 1933, 3866, 5057, 6613, 7732, 10114, 13226, 20228, 25129, 26452, 32861, 50258, 65722, 85969, 100516, 131444, 171938, 343876, 427193, 751937, 854386, 1503874, 1708772, 3007748, 9775181, 12782929, 19550362, 25565858, 39100724, 51131716, 166178077, 332356154, 664712308]

約数ペア:

[(1, 664712308), (2, 332356154), (4, 166178077), (13, 51131716), (17, 39100724), (26, 25565858), (34, 19550362), (52, 12782929), (68, 9775181), (221, 3007748), (389, 1708772), (442, 1503874), (778, 854386), (884, 751937), (1556, 427193), (1933, 343876), (3866, 171938), (5057, 131444), (6613, 100516), (7732, 85969), (10114, 65722), (13226, 50258), (20228, 32861), (25129, 26452)]