681569284

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{1408201}}^1$

素因数の和:1408227

約数の個数: 18

約数和(自身を含む): 1311036062

約数和(自身を除く): 629466778

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1408201, 2816402, 5632804, 15490211, 30980422, 61960844, 170392321, 340784642, 681569284]

約数ペア:

[(1, 681569284), (2, 340784642), (4, 170392321), (11, 61960844), (22, 30980422), (44, 15490211), (121, 5632804), (242, 2816402), (484, 1408201)]