64805291288

素因数分解:

$2^3\times {\mathrm{12613}}^1\times {\mathrm{642247}}^1$

素因数の和:654866

約数の個数: 16

約数和(自身を含む): 121519744080

約数和(自身を除く): 56714452792

約数列:

[1, 2, 4, 8, 12613, 25226, 50452, 100904, 642247, 1284494, 2568988, 5137976, 8100661411, 16201322822, 32402645644, 64805291288]

約数ペア:

[(1, 64805291288), (2, 32402645644), (4, 16201322822), (8, 8100661411), (12613, 5137976), (25226, 2568988), (50452, 1284494), (100904, 642247)]