1904609

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 16

約数和(自身を含む): 2297856

約数和(自身を除く): 393247

約数列:

[1, 7, 31, 67, 131, 217, 469, 917, 2077, 4061, 8777, 14539, 28427, 61439, 272087, 1904609]

約数ペア:

[(1, 1904609), (7, 272087), (31, 61439), (67, 28427), (131, 14539), (217, 8777), (469, 4061), (917, 2077)]