81227422

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1\times {\mathrm{1607}}^1$

素因数の和:1935

約数の個数: 16

約数和(自身を含む): 123494400

約数和(自身を除く): 42266978

約数列:

[1, 2, 127, 199, 254, 398, 1607, 3214, 25273, 50546, 204089, 319793, 408178, 639586, 40613711, 81227422]

約数ペア:

[(1, 81227422), (2, 40613711), (127, 639586), (199, 408178), (254, 319793), (398, 204089), (1607, 50546), (3214, 25273)]