25428865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^2$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 38192832

約数和(自身を除く): 12763967

約数列:

[1, 5, 7, 11, 35, 55, 77, 257, 385, 1285, 1799, 2827, 8995, 14135, 19789, 66049, 98945, 330245, 462343, 726539, 2311715, 3632695, 5085773, 25428865]

約数ペア:

[(1, 25428865), (5, 5085773), (7, 3632695), (11, 2311715), (35, 726539), (55, 462343), (77, 330245), (257, 98945), (385, 66049), (1285, 19789), (1799, 14135), (2827, 8995)]