81970115

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{2341}}^1$

素因数の和:2542

約数の個数: 16

約数和(自身を含む): 101174400

約数和(自身を除く): 19204285

約数列:

[1, 5, 47, 149, 235, 745, 2341, 7003, 11705, 35015, 110027, 348809, 550135, 1744045, 16394023, 81970115]

約数ペア:

[(1, 81970115), (5, 16394023), (47, 1744045), (149, 550135), (235, 348809), (745, 110027), (2341, 35015), (7003, 11705)]