64199884

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2078

約数の個数: 48

約数和(自身を含む): 136192000

約数和(自身を除く): 71992116

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 124, 148, 217, 259, 434, 518, 868, 1036, 1147, 1999, 2294, 3998, 4588, 7996, 8029, 13993, 16058, 27986, 32116, 55972, 61969, 73963, 123938, 147926, 247876, 295852, 433783, 517741, 867566, 1035482, 1735132, 2070964, 2292853, 4585706, 9171412, 16049971, 32099942, 64199884]

約数ペア:

[(1, 64199884), (2, 32099942), (4, 16049971), (7, 9171412), (14, 4585706), (28, 2292853), (31, 2070964), (37, 1735132), (62, 1035482), (74, 867566), (124, 517741), (148, 433783), (217, 295852), (259, 247876), (434, 147926), (518, 123938), (868, 73963), (1036, 61969), (1147, 55972), (1999, 32116), (2294, 27986), (3998, 16058), (4588, 13993), (7996, 8029)]