31265288

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 60480000

約数和(自身を除く): 29214712

約数列:

[1, 2, 4, 8, 41, 82, 164, 199, 328, 398, 479, 796, 958, 1592, 1916, 3832, 8159, 16318, 19639, 32636, 39278, 65272, 78556, 95321, 157112, 190642, 381284, 762568, 3908161, 7816322, 15632644, 31265288]

約数ペア:

[(1, 31265288), (2, 15632644), (4, 7816322), (8, 3908161), (41, 762568), (82, 381284), (164, 190642), (199, 157112), (328, 95321), (398, 78556), (479, 65272), (796, 39278), (958, 32636), (1592, 19639), (1916, 16318), (3832, 8159)]