390921982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{839}}^1\times {\mathrm{21179}}^1$

素因数の和:22031

約数の個数: 16

約数和(自身を含む): 640483200

約数和(自身を除く): 249561218

約数列:

[1, 2, 11, 22, 839, 1678, 9229, 18458, 21179, 42358, 232969, 465938, 17769181, 35538362, 195460991, 390921982]

約数ペア:

[(1, 390921982), (2, 195460991), (11, 35538362), (22, 17769181), (839, 465938), (1678, 232969), (9229, 42358), (18458, 21179)]