71489168

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{10613}}^1$

素因数の和:11042

約数の個数: 20

約数和(自身を含む): 138852348

約数和(自身を除く): 67363180

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3368, 6736, 10613, 21226, 42452, 84904, 169808, 4468073, 8936146, 17872292, 35744584, 71489168]

約数ペア:

[(1, 71489168), (2, 35744584), (4, 17872292), (8, 8936146), (16, 4468073), (421, 169808), (842, 84904), (1684, 42452), (3368, 21226), (6736, 10613)]