25897428305

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1069}}^1\times {\mathrm{1621}}^1$

素因数の和:2770

約数の個数: 48

約数和(自身を含む): 36800390160

約数和(自身を除く): 10902961855

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 427, 1069, 1621, 2135, 2989, 5345, 7483, 8105, 11347, 14945, 37415, 52381, 56735, 65209, 79429, 98881, 261905, 326045, 397145, 456463, 494405, 692167, 1732849, 2282315, 3195241, 3460835, 4845169, 8664245, 12129943, 15976205, 24225845, 60649715, 84909601, 105703789, 424548005, 528518945, 739926523, 3699632615, 5179485661, 25897428305]

約数ペア:

[(1, 25897428305), (5, 5179485661), (7, 3699632615), (35, 739926523), (49, 528518945), (61, 424548005), (245, 105703789), (305, 84909601), (427, 60649715), (1069, 24225845), (1621, 15976205), (2135, 12129943), (2989, 8664245), (5345, 4845169), (7483, 3460835), (8105, 3195241), (11347, 2282315), (14945, 1732849), (37415, 692167), (52381, 494405), (56735, 456463), (65209, 397145), (79429, 326045), (98881, 261905)]