31177804

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15683}}^1$

素因数の和:15765

約数の個数: 24

約数和(自身を含む): 63237888

約数和(自身を除く): 32060084

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 15683, 31366, 62732, 109781, 219562, 439124, 1113493, 2226986, 4453972, 7794451, 15588902, 31177804]

約数ペア:

[(1, 31177804), (2, 15588902), (4, 7794451), (7, 4453972), (14, 2226986), (28, 1113493), (71, 439124), (142, 219562), (284, 109781), (497, 62732), (994, 31366), (1988, 15683)]