1328005

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2028

約数の個数: 16

約数和(自身を含む): 1918080

約数和(自身を除く): 590075

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 1997, 9985, 13979, 37943, 69895, 189715, 265601, 1328005]

約数ペア:

[(1, 1328005), (5, 265601), (7, 189715), (19, 69895), (35, 37943), (95, 13979), (133, 9985), (665, 1997)]