15661077544

素因数分解:

$2^3\times 7^1\times {\mathrm{1999}}^1\times {\mathrm{139901}}^1$

素因数の和:141913

約数の個数: 32

約数和(自身を含む): 33576480000

約数和(自身を除く): 17915402456

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1999, 3998, 7996, 13993, 15992, 27986, 55972, 111944, 139901, 279802, 559604, 979307, 1119208, 1958614, 3917228, 7834456, 279662099, 559324198, 1118648396, 1957634693, 2237296792, 3915269386, 7830538772, 15661077544]

約数ペア:

[(1, 15661077544), (2, 7830538772), (4, 3915269386), (7, 2237296792), (8, 1957634693), (14, 1118648396), (28, 559324198), (56, 279662099), (1999, 7834456), (3998, 3917228), (7996, 1958614), (13993, 1119208), (15992, 979307), (27986, 559604), (55972, 279802), (111944, 139901)]