16881965

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 20865600

約数和(自身を除く): 3983635

約数列:

[1, 5, 59, 89, 295, 445, 643, 3215, 5251, 26255, 37937, 57227, 189685, 286135, 3376393, 16881965]

約数ペア:

[(1, 16881965), (5, 3376393), (59, 286135), (89, 189685), (295, 57227), (445, 37937), (643, 26255), (3215, 5251)]