1291367546

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{663601}}^1$

素因数の和:663749

約数の個数: 16

約数和(自身を含む): 2229702720

約数和(自身を除く): 938335174

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 663601, 1327202, 4645207, 9290414, 92240539, 184481078, 645683773, 1291367546]

約数ペア:

[(1, 1291367546), (2, 645683773), (7, 184481078), (14, 92240539), (139, 9290414), (278, 4645207), (973, 1327202), (1946, 663601)]