138880208

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{510589}}^1$

素因数の和:510614

約数の個数: 20

約数和(自身を含む): 284909220

約数和(自身を除く): 146029012

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 510589, 1021178, 2042356, 4084712, 8169424, 8680013, 17360026, 34720052, 69440104, 138880208]

約数ペア:

[(1, 138880208), (2, 69440104), (4, 34720052), (8, 17360026), (16, 8680013), (17, 8169424), (34, 4084712), (68, 2042356), (136, 1021178), (272, 510589)]