126912512

素因数分解:

$2^{11}\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2052

約数の個数: 48

約数和(自身を含む): 262080000

約数和(自身を除く): 135167488

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1024, 1984, 1999, 2048, 3968, 3998, 7936, 7996, 15872, 15992, 31744, 31984, 61969, 63488, 63968, 123938, 127936, 247876, 255872, 495752, 511744, 991504, 1023488, 1983008, 2046976, 3966016, 4093952, 7932032, 15864064, 31728128, 63456256, 126912512]

約数ペア:

[(1, 126912512), (2, 63456256), (4, 31728128), (8, 15864064), (16, 7932032), (31, 4093952), (32, 3966016), (62, 2046976), (64, 1983008), (124, 1023488), (128, 991504), (248, 511744), (256, 495752), (496, 255872), (512, 247876), (992, 127936), (1024, 123938), (1984, 63968), (1999, 63488), (2048, 61969), (3968, 31984), (3998, 31744), (7936, 15992), (7996, 15872)]