990166

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:459

約数の個数: 16

約数和(自身を含む): 1589760

約数和(自身を除く): 599594

約数列:

[1, 2, 19, 38, 71, 142, 367, 734, 1349, 2698, 6973, 13946, 26057, 52114, 495083, 990166]

約数ペア:

[(1, 990166), (2, 495083), (19, 52114), (38, 26057), (71, 13946), (142, 6973), (367, 2698), (734, 1349)]