25204361

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 32514048

約数和(自身を除く): 7309687

約数列:

[1, 7, 13, 47, 71, 83, 91, 329, 497, 581, 611, 923, 1079, 3337, 3901, 4277, 5893, 6461, 7553, 23359, 27307, 41251, 43381, 50713, 76609, 276971, 303667, 354991, 536263, 1938797, 3600623, 25204361]

約数ペア:

[(1, 25204361), (7, 3600623), (13, 1938797), (47, 536263), (71, 354991), (83, 303667), (91, 276971), (329, 76609), (497, 50713), (581, 43381), (611, 41251), (923, 27307), (1079, 23359), (3337, 7553), (3901, 6461), (4277, 5893)]