31768990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{857}}^1$

素因数の和:1212

約数の個数: 32

約数和(自身を含む): 62640864

約数和(自身を除く): 30871874

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 337, 674, 857, 1685, 1714, 3370, 3707, 4285, 7414, 8570, 9427, 18535, 18854, 37070, 47135, 94270, 288809, 577618, 1444045, 2888090, 3176899, 6353798, 15884495, 31768990]

約数ペア:

[(1, 31768990), (2, 15884495), (5, 6353798), (10, 3176899), (11, 2888090), (22, 1444045), (55, 577618), (110, 288809), (337, 94270), (674, 47135), (857, 37070), (1685, 18854), (1714, 18535), (3370, 9427), (3707, 8570), (4285, 7414)]