138157607

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4787}}^1$

素因数の和:4851

約数の個数: 24

約数和(自身を含む): 174666240

約数和(自身を除く): 36508633

約数列:

[1, 7, 19, 31, 49, 133, 217, 589, 931, 1519, 4123, 4787, 28861, 33509, 90953, 148397, 234563, 636671, 1038779, 2819543, 4456697, 7271453, 19736801, 138157607]

約数ペア:

[(1, 138157607), (7, 19736801), (19, 7271453), (31, 4456697), (49, 2819543), (133, 1038779), (217, 636671), (589, 234563), (931, 148397), (1519, 90953), (4123, 33509), (4787, 28861)]