257007942

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^2\times {\mathrm{739}}^1$

素因数の和:1025

約数の個数: 36

約数和(自身を含む): 561644460

約数和(自身を除く): 304636518

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 739, 834, 1251, 1478, 2217, 2502, 4434, 6651, 13302, 19321, 38642, 57963, 102721, 115926, 173889, 205442, 308163, 347778, 616326, 924489, 1848978, 14278219, 28556438, 42834657, 85669314, 128503971, 257007942]

約数ペア:

[(1, 257007942), (2, 128503971), (3, 85669314), (6, 42834657), (9, 28556438), (18, 14278219), (139, 1848978), (278, 924489), (417, 616326), (739, 347778), (834, 308163), (1251, 205442), (1478, 173889), (2217, 115926), (2502, 102721), (4434, 57963), (6651, 38642), (13302, 19321)]