66780245

素因数分解:

$5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{3389}}^1$

素因数の和:3964

約数の個数: 16

約数和(自身を含む): 91774080

約数和(自身を除く): 24993835

約数列:

[1, 5, 7, 35, 563, 2815, 3389, 3941, 16945, 19705, 23723, 118615, 1908007, 9540035, 13356049, 66780245]

約数ペア:

[(1, 66780245), (5, 13356049), (7, 9540035), (35, 1908007), (563, 118615), (2815, 23723), (3389, 19705), (3941, 16945)]