81540514

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{10267}}^1$

素因数の和:10318

約数の個数: 24

約数和(自身を含む): 140835888

約数和(自身を除く): 59295374

約数列:

[1, 2, 11, 19, 22, 38, 209, 361, 418, 722, 3971, 7942, 10267, 20534, 112937, 195073, 225874, 390146, 2145803, 3706387, 4291606, 7412774, 40770257, 81540514]

約数ペア:

[(1, 81540514), (2, 40770257), (11, 7412774), (19, 4291606), (22, 3706387), (38, 2145803), (209, 390146), (361, 225874), (418, 195073), (722, 112937), (3971, 20534), (7942, 10267)]