257897122

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{4679}}^1$

素因数の和:4846

約数の個数: 32

約数和(自身を含む): 460062720

約数和(自身を除く): 202165598

約数列:

[1, 2, 7, 14, 31, 62, 127, 217, 254, 434, 889, 1778, 3937, 4679, 7874, 9358, 27559, 32753, 55118, 65506, 145049, 290098, 594233, 1015343, 1188466, 2030686, 4159631, 8319262, 18421223, 36842446, 128948561, 257897122]

約数ペア:

[(1, 257897122), (2, 128948561), (7, 36842446), (14, 18421223), (31, 8319262), (62, 4159631), (127, 2030686), (217, 1188466), (254, 1015343), (434, 594233), (889, 290098), (1778, 145049), (3937, 65506), (4679, 55118), (7874, 32753), (9358, 27559)]