81221798

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{6037}}^1$

素因数の和:6108

約数の個数: 24

約数和(自身を含む): 143897616

約数和(自身を除く): 62675818

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 961, 1922, 6037, 6727, 12074, 13454, 42259, 84518, 187147, 374294, 1310029, 2620058, 5801557, 11603114, 40610899, 81221798]

約数ペア:

[(1, 81221798), (2, 40610899), (7, 11603114), (14, 5801557), (31, 2620058), (62, 1310029), (217, 374294), (434, 187147), (961, 84518), (1922, 42259), (6037, 13454), (6727, 12074)]