664190968

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{115151}}^1$

素因数の和:115267

約数の個数: 32

約数和(自身を含む): 1437096960

約数和(自身を除く): 772905992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 5768, 115151, 230302, 460604, 806057, 921208, 1612114, 3224228, 6448456, 11860553, 23721106, 47442212, 83023871, 94884424, 166047742, 332095484, 664190968]

約数ペア:

[(1, 664190968), (2, 332095484), (4, 166047742), (7, 94884424), (8, 83023871), (14, 47442212), (28, 23721106), (56, 11860553), (103, 6448456), (206, 3224228), (412, 1612114), (721, 921208), (824, 806057), (1442, 460604), (2884, 230302), (5768, 115151)]