31820299

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 37324800

約数和(自身を除く): 5504501

約数列:

[1, 7, 53, 199, 371, 431, 1393, 3017, 10547, 22843, 73829, 85769, 159901, 600383, 4545757, 31820299]

約数ペア:

[(1, 31820299), (7, 4545757), (53, 600383), (199, 159901), (371, 85769), (431, 73829), (1393, 22843), (3017, 10547)]