1638133055

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{281}}^1\times {\mathrm{6899}}^1$

素因数の和:7211

約数の個数: 24

約数和(自身を含む): 2136488400

約数和(自身を除く): 498355345

約数列:

[1, 5, 13, 65, 169, 281, 845, 1405, 3653, 6899, 18265, 34495, 47489, 89687, 237445, 448435, 1165931, 1938619, 5829655, 9693095, 25202047, 126010235, 327626611, 1638133055]

約数ペア:

[(1, 1638133055), (5, 327626611), (13, 126010235), (65, 25202047), (169, 9693095), (281, 5829655), (845, 1938619), (1405, 1165931), (3653, 448435), (6899, 237445), (18265, 89687), (34495, 47489)]