209426478

素因数分解:

$2^1\times 3^1\times {\mathrm{443}}^1\times {\mathrm{78791}}^1$

素因数の和:79239

約数の個数: 16

約数和(自身を含む): 419803776

約数和(自身を除く): 210377298

約数列:

[1, 2, 3, 6, 443, 886, 1329, 2658, 78791, 157582, 236373, 472746, 34904413, 69808826, 104713239, 209426478]

約数ペア:

[(1, 209426478), (2, 104713239), (3, 69808826), (6, 34904413), (443, 472746), (886, 236373), (1329, 157582), (2658, 78791)]