25691187

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 37140480

約数和(自身を除く): 11449293

約数列:

[1, 3, 29, 47, 61, 87, 103, 141, 183, 309, 1363, 1769, 2867, 2987, 4089, 4841, 5307, 6283, 8601, 8961, 14523, 18849, 83143, 140389, 182207, 249429, 295301, 421167, 546621, 885903, 8563729, 25691187]

約数ペア:

[(1, 25691187), (3, 8563729), (29, 885903), (47, 546621), (61, 421167), (87, 295301), (103, 249429), (141, 182207), (183, 140389), (309, 83143), (1363, 18849), (1769, 14523), (2867, 8961), (2987, 8601), (4089, 6283), (4841, 5307)]