81515522

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{1861}}^1$

素因数の和:2066

約数の個数: 24

約数和(自身を含む): 135214716

約数和(自身を除く): 53699194

約数列:

[1, 2, 11, 22, 121, 181, 242, 362, 1861, 1991, 3722, 3982, 20471, 21901, 40942, 43802, 225181, 336841, 450362, 673682, 3705251, 7410502, 40757761, 81515522]

約数ペア:

[(1, 81515522), (2, 40757761), (11, 7410502), (22, 3705251), (121, 673682), (181, 450362), (242, 336841), (362, 225181), (1861, 43802), (1991, 40942), (3722, 21901), (3982, 20471)]