81410978

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{353}}^1\times {\mathrm{953}}^1$

素因数の和:1330

約数の個数: 24

約数和(自身を含む): 134748684

約数和(自身を除く): 53337706

約数列:

[1, 2, 11, 22, 121, 242, 353, 706, 953, 1906, 3883, 7766, 10483, 20966, 42713, 85426, 115313, 230626, 336409, 672818, 3700499, 7400998, 40705489, 81410978]

約数ペア:

[(1, 81410978), (2, 40705489), (11, 7400998), (22, 3700499), (121, 672818), (242, 336409), (353, 230626), (706, 115313), (953, 85426), (1906, 42713), (3883, 20966), (7766, 10483)]