1561516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1543}}^1$

素因数の和:1581

約数の個数: 24

約数和(自身を含む): 3112704

約数和(自身を除く): 1551188

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 1543, 3086, 6172, 16973, 33946, 35489, 67892, 70978, 141956, 390379, 780758, 1561516]

約数ペア:

[(1, 1561516), (2, 780758), (4, 390379), (11, 141956), (22, 70978), (23, 67892), (44, 35489), (46, 33946), (92, 16973), (253, 6172), (506, 3086), (1012, 1543)]