86965978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{15749}}^1$

素因数の和:16013

約数の個数: 16

約数和(自身を含む): 142884000

約数和(自身を除く): 55918022

約数列:

[1, 2, 11, 22, 251, 502, 2761, 5522, 15749, 31498, 173239, 346478, 3952999, 7905998, 43482989, 86965978]

約数ペア:

[(1, 86965978), (2, 43482989), (11, 7905998), (22, 3952999), (251, 346478), (502, 173239), (2761, 31498), (5522, 15749)]