212977471

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{941}}^1$

素因数の和:1135

約数の個数: 24

約数和(自身を含む): 257731200

約数和(自身を除く): 44753729

約数列:

[1, 7, 31, 49, 149, 217, 941, 1043, 1519, 4619, 6587, 7301, 29171, 32333, 46109, 140209, 204197, 226331, 981463, 1429379, 4346479, 6870241, 30425353, 212977471]

約数ペア:

[(1, 212977471), (7, 30425353), (31, 6870241), (49, 4346479), (149, 1429379), (217, 981463), (941, 226331), (1043, 204197), (1519, 140209), (4619, 46109), (6587, 32333), (7301, 29171)]