217644986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{270031}}^1$

素因数の和:270077

約数の個数: 16

約数和(自身を含む): 362923008

約数和(自身を除く): 145278022

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 270031, 540062, 3510403, 7020806, 8370961, 16741922, 108822493, 217644986]

約数ペア:

[(1, 217644986), (2, 108822493), (13, 16741922), (26, 8370961), (31, 7020806), (62, 3510403), (403, 540062), (806, 270031)]