28040419

素因数分解:

${\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 32654160

約数和(自身を除く): 4613741

約数列:

[1, 11, 29, 61, 121, 131, 319, 671, 1441, 1769, 3509, 3799, 7381, 7991, 15851, 19459, 41789, 87901, 214049, 231739, 459679, 966911, 2549129, 28040419]

約数ペア:

[(1, 28040419), (11, 2549129), (29, 966911), (61, 459679), (121, 231739), (131, 214049), (319, 87901), (671, 41789), (1441, 19459), (1769, 15851), (3509, 7991), (3799, 7381)]