1664365972

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{479}}^1\times {\mathrm{21187}}^1$

素因数の和:21711

約数の個数: 24

約数和(自身を含む): 2990050560

約数和(自身を除く): 1325684588

約数列:

[1, 2, 4, 41, 82, 164, 479, 958, 1916, 19639, 21187, 39278, 42374, 78556, 84748, 868667, 1737334, 3474668, 10148573, 20297146, 40594292, 416091493, 832182986, 1664365972]

約数ペア:

[(1, 1664365972), (2, 832182986), (4, 416091493), (41, 40594292), (82, 20297146), (164, 10148573), (479, 3474668), (958, 1737334), (1916, 868667), (19639, 84748), (21187, 78556), (39278, 42374)]