209126879

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{9851}}^1$

素因数の和:9958

約数の個数: 16

約数和(自身を含む): 238339584

約数和(自身を除く): 29212705

約数列:

[1, 13, 23, 71, 299, 923, 1633, 9851, 21229, 128063, 226573, 699421, 2945449, 9092473, 16086683, 209126879]

約数ペア:

[(1, 209126879), (13, 16086683), (23, 9092473), (71, 2945449), (299, 699421), (923, 226573), (1633, 128063), (9851, 21229)]