64715005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 85349376

約数和(自身を除く): 20634371

約数列:

[1, 5, 17, 47, 85, 97, 167, 235, 485, 799, 835, 1649, 2839, 3995, 4559, 7849, 8245, 14195, 16199, 22795, 39245, 77503, 80995, 133433, 275383, 387515, 667165, 761353, 1376915, 3806765, 12943001, 64715005]

約数ペア:

[(1, 64715005), (5, 12943001), (17, 3806765), (47, 1376915), (85, 761353), (97, 667165), (167, 387515), (235, 275383), (485, 133433), (799, 80995), (835, 77503), (1649, 39245), (2839, 22795), (3995, 16199), (4559, 14195), (7849, 8245)]