12908005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6343}}^1$

素因数の和:6396

約数の個数: 16

約数和(自身を含む): 17357184

約数和(自身を除く): 4449179

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 6343, 31715, 69773, 234691, 348865, 1173455, 2581601, 12908005]

約数ペア:

[(1, 12908005), (5, 2581601), (11, 1173455), (37, 348865), (55, 234691), (185, 69773), (407, 31715), (2035, 6343)]