30319988

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{431}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 54552960

約数和(自身を除く): 24232972

約数列:

[1, 2, 4, 43, 86, 172, 409, 431, 818, 862, 1636, 1724, 17587, 18533, 35174, 37066, 70348, 74132, 176279, 352558, 705116, 7579997, 15159994, 30319988]

約数ペア:

[(1, 30319988), (2, 15159994), (4, 7579997), (43, 705116), (86, 352558), (172, 176279), (409, 74132), (431, 70348), (818, 37066), (862, 35174), (1636, 18533), (1724, 17587)]