80781085

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{209821}}^1$

素因数の和:209844

約数の個数: 16

約数和(自身を含む): 120857472

約数和(自身を除く): 40076387

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 209821, 1049105, 1468747, 2308031, 7343735, 11540155, 16156217, 80781085]

約数ペア:

[(1, 80781085), (5, 16156217), (7, 11540155), (11, 7343735), (35, 2308031), (55, 1468747), (77, 1049105), (385, 209821)]