1638778894

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1\times {\mathrm{29989}}^1$

素因数の和:30387

約数の個数: 16

約数和(自身を含む): 2493968400

約数和(自身を除く): 855189506

約数列:

[1, 2, 89, 178, 307, 614, 27323, 29989, 54646, 59978, 2669021, 5338042, 9206623, 18413246, 819389447, 1638778894]

約数ペア:

[(1, 1638778894), (2, 819389447), (89, 18413246), (178, 9206623), (307, 5338042), (614, 2669021), (27323, 59978), (29989, 54646)]