639235297

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{31123}}^1$

素因数の和:31212

約数の個数: 16

約数和(自身を含む): 717096960

約数和(自身を除く): 77861663

約数列:

[1, 19, 23, 47, 437, 893, 1081, 20539, 31123, 591337, 715829, 1462781, 13600751, 27792839, 33643963, 639235297]

約数ペア:

[(1, 639235297), (19, 33643963), (23, 27792839), (47, 13600751), (437, 1462781), (893, 715829), (1081, 591337), (20539, 31123)]