81214958

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{30509}}^1$

素因数の和:30544

約数の個数: 16

約数和(自身を含む): 133999920

約数和(自身を除く): 52784962

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 30509, 61018, 335599, 671198, 3691589, 7383178, 40607479, 81214958]

約数ペア:

[(1, 81214958), (2, 40607479), (11, 7383178), (22, 3691589), (121, 671198), (242, 335599), (1331, 61018), (2662, 30509)]