2001887744

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{126127}}^1$

素因数の和:126176

約数の個数: 40

約数和(自身を含む): 4128926208

約数和(自身を除く): 2127038464

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 126127, 252254, 504508, 1009016, 2018032, 3909937, 4036064, 7819874, 8072128, 15639748, 16144256, 31279496, 32288512, 62558992, 64577024, 125117984, 250235968, 500471936, 1000943872, 2001887744]

約数ペア:

[(1, 2001887744), (2, 1000943872), (4, 500471936), (8, 250235968), (16, 125117984), (31, 64577024), (32, 62558992), (62, 32288512), (64, 31279496), (124, 16144256), (128, 15639748), (248, 8072128), (256, 7819874), (496, 4036064), (512, 3909937), (992, 2018032), (1984, 1009016), (3968, 504508), (7936, 252254), (15872, 126127)]