16647725

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 21373632

約数和(自身を除く): 4725907

約数列:

[1, 5, 25, 71, 83, 113, 355, 415, 565, 1775, 2075, 2825, 5893, 8023, 9379, 29465, 40115, 46895, 147325, 200575, 234475, 665909, 3329545, 16647725]

約数ペア:

[(1, 16647725), (5, 3329545), (25, 665909), (71, 234475), (83, 200575), (113, 147325), (355, 46895), (415, 40115), (565, 29465), (1775, 9379), (2075, 8023), (2825, 5893)]