209905478

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{23021}}^1$

素因数の和:23167

約数の個数: 16

約数和(自身を含む): 324886464

約数和(自身を除く): 114980986

約数列:

[1, 2, 47, 94, 97, 194, 4559, 9118, 23021, 46042, 1081987, 2163974, 2233037, 4466074, 104952739, 209905478]

約数ペア:

[(1, 209905478), (2, 104952739), (47, 4466074), (94, 2233037), (97, 2163974), (194, 1081987), (4559, 46042), (9118, 23021)]