349780274

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{17321}}^1$

素因数の和:17785

約数の個数: 16

約数和(自身を含む): 548760960

約数和(自身を除く): 198980686

約数列:

[1, 2, 23, 46, 439, 878, 10097, 17321, 20194, 34642, 398383, 796766, 7603919, 15207838, 174890137, 349780274]

約数ペア:

[(1, 349780274), (2, 174890137), (23, 15207838), (46, 7603919), (439, 796766), (878, 398383), (10097, 34642), (17321, 20194)]