12880021

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{3559}}^1$

素因数の和:3624

約数の個数: 16

約数和(自身を含む): 16404480

約数和(自身を除く): 3524459

約数列:

[1, 7, 11, 47, 77, 329, 517, 3559, 3619, 24913, 39149, 167273, 274043, 1170911, 1840003, 12880021]

約数ペア:

[(1, 12880021), (7, 1840003), (11, 1170911), (47, 274043), (77, 167273), (329, 39149), (517, 24913), (3559, 3619)]