81108790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2833}}^1$

素因数の和:3256

約数の個数: 32

約数和(自身を含む): 167319360

約数和(自身を除く): 86210570

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 409, 818, 2045, 2833, 2863, 4090, 5666, 5726, 14165, 14315, 19831, 28330, 28630, 39662, 99155, 198310, 1158697, 2317394, 5793485, 8110879, 11586970, 16221758, 40554395, 81108790]

約数ペア:

[(1, 81108790), (2, 40554395), (5, 16221758), (7, 11586970), (10, 8110879), (14, 5793485), (35, 2317394), (70, 1158697), (409, 198310), (818, 99155), (2045, 39662), (2833, 28630), (2863, 28330), (4090, 19831), (5666, 14315), (5726, 14165)]