87178270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{991}}^1$

素因数の和:1480

約数の個数: 32

約数和(自身を含む): 165703680

約数和(自身を除く): 78525410

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 463, 926, 991, 1982, 2315, 4630, 4955, 8797, 9910, 17594, 18829, 37658, 43985, 87970, 94145, 188290, 458833, 917666, 2294165, 4588330, 8717827, 17435654, 43589135, 87178270]

約数ペア:

[(1, 87178270), (2, 43589135), (5, 17435654), (10, 8717827), (19, 4588330), (38, 2294165), (95, 917666), (190, 458833), (463, 188290), (926, 94145), (991, 87970), (1982, 43985), (2315, 37658), (4630, 18829), (4955, 17594), (8797, 9910)]