1338805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 1774080

約数和(自身を除く): 435275

約数列:

[1, 5, 13, 43, 65, 215, 479, 559, 2395, 2795, 6227, 20597, 31135, 102985, 267761, 1338805]

約数ペア:

[(1, 1338805), (5, 267761), (13, 102985), (43, 31135), (65, 20597), (215, 6227), (479, 2795), (559, 2395)]