64129681

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{739}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 85248000

約数和(自身を除く): 21118319

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 343, 539, 739, 1127, 1771, 3773, 5173, 7889, 8129, 12397, 16997, 36211, 56903, 86779, 118979, 186967, 253477, 398321, 832853, 1308769, 2788247, 5829971, 9161383, 64129681]

約数ペア:

[(1, 64129681), (7, 9161383), (11, 5829971), (23, 2788247), (49, 1308769), (77, 832853), (161, 398321), (253, 253477), (343, 186967), (539, 118979), (739, 86779), (1127, 56903), (1771, 36211), (3773, 16997), (5173, 12397), (7889, 8129)]