15864064

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2046

約数の個数: 36

約数和(自身を含む): 32704000

約数和(自身を除く): 16839936

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 1999, 3968, 3998, 7936, 7996, 15992, 31984, 61969, 63968, 123938, 127936, 247876, 255872, 495752, 511744, 991504, 1983008, 3966016, 7932032, 15864064]

約数ペア:

[(1, 15864064), (2, 7932032), (4, 3966016), (8, 1983008), (16, 991504), (31, 511744), (32, 495752), (62, 255872), (64, 247876), (124, 127936), (128, 123938), (248, 63968), (256, 61969), (496, 31984), (992, 15992), (1984, 7996), (1999, 7936), (3968, 3998)]