219925616

素因数分解:

$2^4\times {\mathrm{1997}}^1\times {\mathrm{6883}}^1$

素因数の和:8888

約数の個数: 20

約数和(自身を含む): 426381192

約数和(自身を除く): 206455576

約数列:

[1, 2, 4, 8, 16, 1997, 3994, 6883, 7988, 13766, 15976, 27532, 31952, 55064, 110128, 13745351, 27490702, 54981404, 109962808, 219925616]

約数ペア:

[(1, 219925616), (2, 109962808), (4, 54981404), (8, 27490702), (16, 13745351), (1997, 110128), (3994, 55064), (6883, 31952), (7988, 27532), (13766, 15976)]