257202957

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{32611}}^1$

素因数の和:32864

約数の個数: 16

約数和(自身を含む): 375690240

約数和(自身を除く): 118487283

約数列:

[1, 3, 11, 33, 239, 717, 2629, 7887, 32611, 97833, 358721, 1076163, 7794029, 23382087, 85734319, 257202957]

約数ペア:

[(1, 257202957), (3, 85734319), (11, 23382087), (33, 7794029), (239, 1076163), (717, 358721), (2629, 97833), (7887, 32611)]