81639694

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1327}}^1\times {\mathrm{1619}}^1$

素因数の和:2967

約数の個数: 16

約数和(自身を含む): 129081600

約数和(自身を除く): 47441906

約数列:

[1, 2, 19, 38, 1327, 1619, 2654, 3238, 25213, 30761, 50426, 61522, 2148413, 4296826, 40819847, 81639694]

約数ペア:

[(1, 81639694), (2, 40819847), (19, 4296826), (38, 2148413), (1327, 61522), (1619, 50426), (2654, 30761), (3238, 25213)]