28420777

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{4447}}^1$

素因数の和:4548

約数の個数: 16

約数和(自身を含む): 35868672

約数和(自身を除く): 7447895

約数列:

[1, 7, 11, 77, 83, 581, 913, 4447, 6391, 31129, 48917, 342419, 369101, 2583707, 4060111, 28420777]

約数ペア:

[(1, 28420777), (7, 4060111), (11, 2583707), (77, 369101), (83, 342419), (581, 48917), (913, 31129), (4447, 6391)]