138990995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{557}}^1$

素因数の和:935

約数の個数: 32

約数和(自身を含む): 196862400

約数和(自身を除く): 57871405

約数列:

[1, 5, 11, 13, 55, 65, 143, 349, 557, 715, 1745, 2785, 3839, 4537, 6127, 7241, 19195, 22685, 30635, 36205, 49907, 79651, 194393, 249535, 398255, 971965, 2138323, 2527109, 10691615, 12635545, 27798199, 138990995]

約数ペア:

[(1, 138990995), (5, 27798199), (11, 12635545), (13, 10691615), (55, 2527109), (65, 2138323), (143, 971965), (349, 398255), (557, 249535), (715, 194393), (1745, 79651), (2785, 49907), (3839, 36205), (4537, 30635), (6127, 22685), (7241, 19195)]