81260695

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{2539}}^1$

素因数の和:2754

約数の個数: 16

約数和(自身を含む): 100766880

約数和(自身を除く): 19506185

約数列:

[1, 5, 37, 173, 185, 865, 2539, 6401, 12695, 32005, 93943, 439247, 469715, 2196235, 16252139, 81260695]

約数ペア:

[(1, 81260695), (5, 16252139), (37, 2196235), (173, 469715), (185, 439247), (865, 93943), (2539, 32005), (6401, 12695)]