64720513

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 81768960

約数和(自身を除く): 17048447

約数列:

[1, 11, 13, 17, 79, 143, 187, 221, 337, 869, 1027, 1343, 2431, 3707, 4381, 5729, 11297, 14773, 17459, 26623, 48191, 63019, 74477, 192049, 292853, 346099, 452591, 819247, 3807089, 4978501, 5883683, 64720513]

約数ペア:

[(1, 64720513), (11, 5883683), (13, 4978501), (17, 3807089), (79, 819247), (143, 452591), (187, 346099), (221, 292853), (337, 192049), (869, 74477), (1027, 63019), (1343, 48191), (2431, 26623), (3707, 17459), (4381, 14773), (5729, 11297)]