66615521

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{4649}}^1$

素因数の和:4768

約数の個数: 16

約数和(自身を含む): 80352000

約数和(自身を除く): 13736479

約数列:

[1, 7, 23, 89, 161, 623, 2047, 4649, 14329, 32543, 106927, 413761, 748489, 2896327, 9516503, 66615521]

約数ペア:

[(1, 66615521), (7, 9516503), (23, 2896327), (89, 748489), (161, 413761), (623, 106927), (2047, 32543), (4649, 14329)]