12897865

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1152

約数の個数: 16

約数和(自身を含む): 16427520

約数和(自身を除く): 3529655

約数列:

[1, 5, 19, 95, 137, 685, 991, 2603, 4955, 13015, 18829, 94145, 135767, 678835, 2579573, 12897865]

約数ペア:

[(1, 12897865), (5, 2579573), (19, 678835), (95, 135767), (137, 94145), (685, 18829), (991, 13015), (2603, 4955)]