2399155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 3171168

約数和(自身を除く): 772013

約数列:

[1, 5, 11, 55, 181, 241, 905, 1205, 1991, 2651, 9955, 13255, 43621, 218105, 479831, 2399155]

約数ペア:

[(1, 2399155), (5, 479831), (11, 218105), (55, 43621), (181, 13255), (241, 9955), (905, 2651), (1205, 1991)]