28792190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{977}}^1$

素因数の和:1412

約数の個数: 32

約数和(自身を含む): 59431104

約数和(自身を除く): 30638914

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 421, 842, 977, 1954, 2105, 2947, 4210, 4885, 5894, 6839, 9770, 13678, 14735, 29470, 34195, 68390, 411317, 822634, 2056585, 2879219, 4113170, 5758438, 14396095, 28792190]

約数ペア:

[(1, 28792190), (2, 14396095), (5, 5758438), (7, 4113170), (10, 2879219), (14, 2056585), (35, 822634), (70, 411317), (421, 68390), (842, 34195), (977, 29470), (1954, 14735), (2105, 13678), (2947, 9770), (4210, 6839), (4885, 5894)]