3487990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:912

約数の個数: 32

約数和(自身を含む): 7042464

約数和(自身を除く): 3554474

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 857, 1714, 2035, 4070, 4285, 8570, 9427, 18854, 31709, 47135, 63418, 94270, 158545, 317090, 348799, 697598, 1743995, 3487990]

約数ペア:

[(1, 3487990), (2, 1743995), (5, 697598), (10, 348799), (11, 317090), (22, 158545), (37, 94270), (55, 63418), (74, 47135), (110, 31709), (185, 18854), (370, 9427), (407, 8570), (814, 4285), (857, 4070), (1714, 2035)]