208853168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{687017}}^1$

素因数の和:687044

約数の個数: 20

約数和(自身を含む): 425951160

約数和(自身を除く): 217097992

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 687017, 1374034, 2748068, 5496136, 10992272, 13053323, 26106646, 52213292, 104426584, 208853168]

約数ペア:

[(1, 208853168), (2, 104426584), (4, 52213292), (8, 26106646), (16, 13053323), (19, 10992272), (38, 5496136), (76, 2748068), (152, 1374034), (304, 687017)]