2154845

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 3352320

約数和(自身を除く): 1197475

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 193, 203, 319, 385, 965, 1015, 1351, 1595, 2123, 2233, 5597, 6755, 10615, 11165, 14861, 27985, 39179, 61567, 74305, 195895, 307835, 430969, 2154845]

約数ペア:

[(1, 2154845), (5, 430969), (7, 307835), (11, 195895), (29, 74305), (35, 61567), (55, 39179), (77, 27985), (145, 14861), (193, 11165), (203, 10615), (319, 6755), (385, 5597), (965, 2233), (1015, 2123), (1351, 1595)]