990858986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{86027}}^1$

素因数の和:86485

約数の個数: 16

約数和(自身を含む): 1604250144

約数和(自身を除く): 613391158

約数列:

[1, 2, 13, 26, 443, 886, 5759, 11518, 86027, 172054, 1118351, 2236702, 38109961, 76219922, 495429493, 990858986]

約数ペア:

[(1, 990858986), (2, 495429493), (13, 76219922), (26, 38109961), (443, 2236702), (886, 1118351), (5759, 172054), (11518, 86027)]