28384685

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{26161}}^1$

素因数の和:26204

約数の個数: 16

約数和(自身を含む): 40184832

約数和(自身を除く): 11800147

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 26161, 130805, 183127, 810991, 915635, 4054955, 5676937, 28384685]

約数ペア:

[(1, 28384685), (5, 5676937), (7, 4054955), (31, 915635), (35, 810991), (155, 183127), (217, 130805), (1085, 26161)]