25321156

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 52641792

約数和(自身を除く): 27320636

約数列:

[1, 2, 4, 7, 14, 28, 47, 71, 94, 142, 188, 271, 284, 329, 497, 542, 658, 994, 1084, 1316, 1897, 1988, 3337, 3794, 6674, 7588, 12737, 13348, 19241, 23359, 25474, 38482, 46718, 50948, 76964, 89159, 93436, 134687, 178318, 269374, 356636, 538748, 904327, 1808654, 3617308, 6330289, 12660578, 25321156]

約数ペア:

[(1, 25321156), (2, 12660578), (4, 6330289), (7, 3617308), (14, 1808654), (28, 904327), (47, 538748), (71, 356636), (94, 269374), (142, 178318), (188, 134687), (271, 93436), (284, 89159), (329, 76964), (497, 50948), (542, 46718), (658, 38482), (994, 25474), (1084, 23359), (1316, 19241), (1897, 13348), (1988, 12737), (3337, 7588), (3794, 6674)]