13881056

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2047

約数の個数: 48

約数和(自身を含む): 32256000

約数和(自身を除く): 18374944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 1999, 3472, 3998, 6944, 7996, 13993, 15992, 27986, 31984, 55972, 61969, 63968, 111944, 123938, 223888, 247876, 433783, 447776, 495752, 867566, 991504, 1735132, 1983008, 3470264, 6940528, 13881056]

約数ペア:

[(1, 13881056), (2, 6940528), (4, 3470264), (7, 1983008), (8, 1735132), (14, 991504), (16, 867566), (28, 495752), (31, 447776), (32, 433783), (56, 247876), (62, 223888), (112, 123938), (124, 111944), (217, 63968), (224, 61969), (248, 55972), (434, 31984), (496, 27986), (868, 15992), (992, 13993), (1736, 7996), (1999, 6944), (3472, 3998)]