16993475

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 22029840

約数和(自身を除く): 5036365

約数列:

[1, 5, 25, 41, 59, 205, 281, 295, 1025, 1405, 1475, 2419, 7025, 11521, 12095, 16579, 57605, 60475, 82895, 288025, 414475, 679739, 3398695, 16993475]

約数ペア:

[(1, 16993475), (5, 3398695), (25, 679739), (41, 414475), (59, 288025), (205, 82895), (281, 60475), (295, 57605), (1025, 16579), (1405, 12095), (1475, 11521), (2419, 7025)]