156901901804

素因数分解:

$2^2\times {\mathrm{1999}}^1\times {\mathrm{19622549}}^1$

素因数の和:19624552

約数の個数: 12

約数和(自身を含む): 274715700000

約数和(自身を除く): 117813798196

約数列:

[1, 2, 4, 1999, 3998, 7996, 19622549, 39245098, 78490196, 39225475451, 78450950902, 156901901804]

約数ペア:

[(1, 156901901804), (2, 78450950902), (4, 39225475451), (1999, 78490196), (3998, 39245098), (7996, 19622549)]