12507415

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{137}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 16444080

約数和(自身を除く): 3936665

約数列:

[1, 5, 19, 31, 95, 137, 155, 589, 685, 961, 2603, 2945, 4247, 4805, 13015, 18259, 21235, 80693, 91295, 131657, 403465, 658285, 2501483, 12507415]

約数ペア:

[(1, 12507415), (5, 2501483), (19, 658285), (31, 403465), (95, 131657), (137, 91295), (155, 80693), (589, 21235), (685, 18259), (961, 13015), (2603, 4805), (2945, 4247)]