254785535

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 333231360

約数和(自身を除く): 78445825

約数列:

[1, 5, 19, 43, 95, 97, 215, 485, 643, 817, 1843, 3215, 4085, 4171, 9215, 12217, 20855, 27649, 61085, 62371, 79249, 138245, 311855, 396245, 525331, 1185049, 2626655, 2681953, 5925245, 13409765, 50957107, 254785535]

約数ペア:

[(1, 254785535), (5, 50957107), (19, 13409765), (43, 5925245), (95, 2681953), (97, 2626655), (215, 1185049), (485, 525331), (643, 396245), (817, 311855), (1843, 138245), (3215, 79249), (4085, 62371), (4171, 61085), (9215, 27649), (12217, 20855)]