25194663

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 17262297

約数列:

[1, 3, 9, 13, 17, 39, 51, 53, 117, 153, 159, 221, 239, 477, 663, 689, 717, 901, 1989, 2067, 2151, 2703, 3107, 4063, 6201, 8109, 9321, 11713, 12189, 12667, 27963, 35139, 36567, 38001, 52819, 105417, 114003, 158457, 164671, 215339, 475371, 494013, 646017, 1482039, 1938051, 2799407, 8398221, 25194663]

約数ペア:

[(1, 25194663), (3, 8398221), (9, 2799407), (13, 1938051), (17, 1482039), (39, 646017), (51, 494013), (53, 475371), (117, 215339), (153, 164671), (159, 158457), (221, 114003), (239, 105417), (477, 52819), (663, 38001), (689, 36567), (717, 35139), (901, 27963), (1989, 12667), (2067, 12189), (2151, 11713), (2703, 9321), (3107, 8109), (4063, 6201)]