212961295

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{8161}}^1$

素因数の和:8490

約数の個数: 16

約数和(自身を含む): 271500768

約数和(自身を除く): 58539473

約数列:

[1, 5, 17, 85, 307, 1535, 5219, 8161, 26095, 40805, 138737, 693685, 2505427, 12527135, 42592259, 212961295]

約数ペア:

[(1, 212961295), (5, 42592259), (17, 12527135), (85, 2505427), (307, 693685), (1535, 138737), (5219, 40805), (8161, 26095)]