1388405959

素因数分解:

${\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1\times {\mathrm{1667}}^1$

素因数の和:2166

約数の個数: 16

約数和(自身を含む): 1459086336

約数和(自身を除く): 70680377

約数列:

[1, 31, 67, 401, 1667, 2077, 12431, 26867, 51677, 111689, 668467, 832877, 3462359, 20722477, 44787289, 1388405959]

約数ペア:

[(1, 1388405959), (31, 44787289), (67, 20722477), (401, 3462359), (1667, 832877), (2077, 668467), (12431, 111689), (26867, 51677)]