639772562

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1039}}^1\times {\mathrm{2153}}^1$

素因数の和:3218

約数の個数: 32

約数和(自身を含む): 1129040640

約数和(自身を除く): 489268078

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 1039, 2078, 2153, 4306, 11429, 13507, 22858, 23683, 27014, 27989, 47366, 55978, 148577, 297154, 307879, 615758, 2236967, 4473934, 24606637, 29080571, 49213274, 58161142, 319886281, 639772562]

約数ペア:

[(1, 639772562), (2, 319886281), (11, 58161142), (13, 49213274), (22, 29080571), (26, 24606637), (143, 4473934), (286, 2236967), (1039, 615758), (2078, 307879), (2153, 297154), (4306, 148577), (11429, 55978), (13507, 47366), (22858, 27989), (23683, 27014)]