64501591

素因数分解:

$7^2\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 48

約数和(自身を含む): 88121088

約数和(自身を除く): 23619497

約数列:

[1, 7, 11, 23, 43, 49, 77, 121, 161, 253, 301, 473, 539, 847, 989, 1127, 1331, 1771, 2107, 2783, 3311, 5203, 5929, 6923, 9317, 10879, 12397, 19481, 23177, 30613, 36421, 48461, 57233, 65219, 76153, 119669, 136367, 214291, 254947, 400631, 533071, 837683, 1316359, 1500037, 2804417, 5863781, 9214513, 64501591]

約数ペア:

[(1, 64501591), (7, 9214513), (11, 5863781), (23, 2804417), (43, 1500037), (49, 1316359), (77, 837683), (121, 533071), (161, 400631), (253, 254947), (301, 214291), (473, 136367), (539, 119669), (847, 76153), (989, 65219), (1127, 57233), (1331, 48461), (1771, 36421), (2107, 30613), (2783, 23177), (3311, 19481), (5203, 12397), (5929, 10879), (6923, 9317)]