13131925

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 17186400

約数和(自身を除く): 4054475

約数列:

[1, 5, 25, 29, 59, 145, 295, 307, 725, 1475, 1535, 1711, 7675, 8555, 8903, 18113, 42775, 44515, 90565, 222575, 452825, 525277, 2626385, 13131925]

約数ペア:

[(1, 13131925), (5, 2626385), (25, 525277), (29, 452825), (59, 222575), (145, 90565), (295, 44515), (307, 42775), (725, 18113), (1475, 8903), (1535, 8555), (1711, 7675)]