90989492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{21319}}^1$

素因数の和:21431

約数の個数: 24

約数和(自身を含む): 175506240

約数和(自身を除く): 84516748

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 21319, 42638, 85276, 234509, 469018, 938036, 2067943, 4135886, 8271772, 22747373, 45494746, 90989492]

約数ペア:

[(1, 90989492), (2, 45494746), (4, 22747373), (11, 8271772), (22, 4135886), (44, 2067943), (97, 938036), (194, 469018), (388, 234509), (1067, 85276), (2134, 42638), (4268, 21319)]