25187217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 41260800

約数和(自身を除く): 16073583

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 139, 187, 209, 289, 323, 417, 561, 627, 867, 969, 1529, 2363, 2641, 3179, 3553, 4587, 5491, 7089, 7923, 9537, 10659, 16473, 25993, 29051, 40171, 44897, 60401, 77979, 87153, 120513, 134691, 181203, 441881, 493867, 763249, 1325643, 1481601, 2289747, 8395739, 25187217]

約数ペア:

[(1, 25187217), (3, 8395739), (11, 2289747), (17, 1481601), (19, 1325643), (33, 763249), (51, 493867), (57, 441881), (139, 181203), (187, 134691), (209, 120513), (289, 87153), (323, 77979), (417, 60401), (561, 44897), (627, 40171), (867, 29051), (969, 25993), (1529, 16473), (2363, 10659), (2641, 9537), (3179, 7923), (3553, 7089), (4587, 5491)]