161720155

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{6673}}^1$

素因数の和:6846

約数の個数: 16

約数和(自身を含む): 200860704

約数和(自身を除く): 39140549

約数列:

[1, 5, 37, 131, 185, 655, 4847, 6673, 24235, 33365, 246901, 874163, 1234505, 4370815, 32344031, 161720155]

約数ペア:

[(1, 161720155), (5, 32344031), (37, 4370815), (131, 1234505), (185, 874163), (655, 246901), (4847, 33365), (6673, 24235)]