12990065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{919}}^1$

素因数の和:1192

約数の個数: 16

約数和(自身を含む): 17089920

約数和(自身を除く): 4099855

約数列:

[1, 5, 11, 55, 257, 919, 1285, 2827, 4595, 10109, 14135, 50545, 236183, 1180915, 2598013, 12990065]

約数ペア:

[(1, 12990065), (5, 2598013), (11, 1180915), (55, 236183), (257, 50545), (919, 14135), (1285, 10109), (2827, 4595)]