1681223056

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{5530339}}^1$

素因数の和:5530366

約数の個数: 20

約数和(自身を含む): 3428810800

約数和(自身を除く): 1747587744

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 5530339, 11060678, 22121356, 44242712, 88485424, 105076441, 210152882, 420305764, 840611528, 1681223056]

約数ペア:

[(1, 1681223056), (2, 840611528), (4, 420305764), (8, 210152882), (16, 105076441), (19, 88485424), (38, 44242712), (76, 22121356), (152, 11060678), (304, 5530339)]