3991786

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1439}}^1$

素因数の和:1533

約数の個数: 16

約数和(自身を含む): 6393600

約数和(自身を除く): 2401814

約数列:

[1, 2, 19, 38, 73, 146, 1387, 1439, 2774, 2878, 27341, 54682, 105047, 210094, 1995893, 3991786]

約数ペア:

[(1, 3991786), (2, 1995893), (19, 210094), (38, 105047), (73, 54682), (146, 27341), (1387, 2878), (1439, 2774)]