161838985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{420361}}^1$

素因数の和:420384

約数の個数: 16

約数和(自身を含む): 242128512

約数和(自身を除く): 80289527

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 420361, 2101805, 2942527, 4623971, 14712635, 23119855, 32367797, 161838985]

約数ペア:

[(1, 161838985), (5, 32367797), (7, 23119855), (11, 14712635), (35, 4623971), (55, 2942527), (77, 2101805), (385, 420361)]