12660025

素因数分解:

$5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{991}}^1$

素因数の和:1081

約数の個数: 24

約数和(自身を含む): 18205184

約数和(自身を除く): 5545159

約数列:

[1, 5, 7, 25, 35, 73, 175, 365, 511, 991, 1825, 2555, 4955, 6937, 12775, 24775, 34685, 72343, 173425, 361715, 506401, 1808575, 2532005, 12660025]

約数ペア:

[(1, 12660025), (5, 2532005), (7, 1808575), (25, 506401), (35, 361715), (73, 173425), (175, 72343), (365, 34685), (511, 24775), (991, 12775), (1825, 6937), (2555, 4955)]