291201631

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{20029}}^1$

素因数の和:20134

約数の個数: 16

約数和(自身を含む): 348682240

約数和(自身を除く): 57480609

約数列:

[1, 7, 31, 67, 217, 469, 2077, 14539, 20029, 140203, 620899, 1341943, 4346293, 9393601, 41600233, 291201631]

約数ペア:

[(1, 291201631), (7, 41600233), (31, 9393601), (67, 4346293), (217, 1341943), (469, 620899), (2077, 140203), (14539, 20029)]