138688048

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{279613}}^1$

素因数の和:279652

約数の個数: 20

約数和(自身を含む): 277377088

約数和(自身を除く): 138689040

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 279613, 559226, 1118452, 2236904, 4473808, 8668003, 17336006, 34672012, 69344024, 138688048]

約数ペア:

[(1, 138688048), (2, 69344024), (4, 34672012), (8, 17336006), (16, 8668003), (31, 4473808), (62, 2236904), (124, 1118452), (248, 559226), (496, 279613)]