81675670

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 149597280

約数和(自身を除く): 67921610

約数列:

[1, 2, 5, 10, 101, 193, 202, 386, 419, 505, 838, 965, 1010, 1930, 2095, 4190, 19493, 38986, 42319, 80867, 84638, 97465, 161734, 194930, 211595, 404335, 423190, 808670, 8167567, 16335134, 40837835, 81675670]

約数ペア:

[(1, 81675670), (2, 40837835), (5, 16335134), (10, 8167567), (101, 808670), (193, 423190), (202, 404335), (386, 211595), (419, 194930), (505, 161734), (838, 97465), (965, 84638), (1010, 80867), (1930, 42319), (2095, 38986), (4190, 19493)]