28198885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{39439}}^1$

素因数の和:39468

約数の個数: 16

約数和(自身を含む): 39755520

約数和(自身を除く): 11556635

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 39439, 197195, 433829, 512707, 2169145, 2563535, 5639777, 28198885]

約数ペア:

[(1, 28198885), (5, 5639777), (11, 2563535), (13, 2169145), (55, 512707), (65, 433829), (143, 197195), (715, 39439)]