1399027

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:250

約数の個数: 16

約数和(自身を含む): 1719040

約数和(自身を除く): 320013

約数列:

[1, 7, 19, 67, 133, 157, 469, 1099, 1273, 2983, 8911, 10519, 20881, 73633, 199861, 1399027]

約数ペア:

[(1, 1399027), (7, 199861), (19, 73633), (67, 20881), (133, 10519), (157, 8911), (469, 2983), (1099, 1273)]