68293405

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 86229000

約数和(自身を除く): 17935595

約数列:

[1, 5, 29, 109, 145, 149, 545, 745, 841, 3161, 4205, 4321, 15805, 16241, 21605, 81205, 91669, 125309, 458345, 470989, 626545, 2354945, 13658681, 68293405]

約数ペア:

[(1, 68293405), (5, 13658681), (29, 2354945), (109, 626545), (145, 470989), (149, 458345), (545, 125309), (745, 91669), (841, 81205), (3161, 21605), (4205, 16241), (4321, 15805)]