208853648624

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{687018581}}^1$

素因数の和:687018608

約数の個数: 20

約数和(自身を含む): 425951520840

約数和(自身を除く): 217097872216

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 687018581, 1374037162, 2748074324, 5496148648, 10992297296, 13053353039, 26106706078, 52213412156, 104426824312, 208853648624]

約数ペア:

[(1, 208853648624), (2, 104426824312), (4, 52213412156), (8, 26106706078), (16, 13053353039), (19, 10992297296), (38, 5496148648), (76, 2748074324), (152, 1374037162), (304, 687018581)]