856927565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{42943}}^1$

素因数の和:43268

約数の個数: 16

約数和(自身を含む): 1111047168

約数和(自身を除く): 254119603

約数列:

[1, 5, 13, 65, 307, 1535, 3991, 19955, 42943, 214715, 558259, 2791295, 13183501, 65917505, 171385513, 856927565]

約数ペア:

[(1, 856927565), (5, 171385513), (13, 65917505), (65, 13183501), (307, 2791295), (1535, 558259), (3991, 214715), (19955, 42943)]