81818618

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157951}}^1$

素因数の和:157997

約数の個数: 16

約数和(自身を含む): 144052224

約数和(自身を除く): 62233606

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 157951, 315902, 1105657, 2211314, 5844187, 11688374, 40909309, 81818618]

約数ペア:

[(1, 81818618), (2, 40909309), (7, 11688374), (14, 5844187), (37, 2211314), (74, 1105657), (259, 315902), (518, 157951)]