30991982

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53993}}^1$

素因数の和:54043

約数の個数: 16

約数和(自身を含む): 54425952

約数和(自身を除く): 23433970

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 53993, 107986, 377951, 755902, 2213713, 4427426, 15495991, 30991982]

約数ペア:

[(1, 30991982), (2, 15495991), (7, 4427426), (14, 2213713), (41, 755902), (82, 377951), (287, 107986), (574, 53993)]