217904048

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{863}}^1$

素因数の和:1281

約数の個数: 40

約数和(自身を含む): 433686528

約数和(自身を除く): 215782480

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 367, 688, 734, 863, 1468, 1726, 2936, 3452, 5872, 6904, 13808, 15781, 31562, 37109, 63124, 74218, 126248, 148436, 252496, 296872, 316721, 593744, 633442, 1266884, 2533768, 5067536, 13619003, 27238006, 54476012, 108952024, 217904048]

約数ペア:

[(1, 217904048), (2, 108952024), (4, 54476012), (8, 27238006), (16, 13619003), (43, 5067536), (86, 2533768), (172, 1266884), (344, 633442), (367, 593744), (688, 316721), (734, 296872), (863, 252496), (1468, 148436), (1726, 126248), (2936, 74218), (3452, 63124), (5872, 37109), (6904, 31562), (13808, 15781)]