678244670

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{270217}}^1$

素因数の和:270475

約数の個数: 16

約数和(自身を含む): 1225708848

約数和(自身を除く): 547464178

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 270217, 540434, 1351085, 2702170, 67824467, 135648934, 339122335, 678244670]

約数ペア:

[(1, 678244670), (2, 339122335), (5, 135648934), (10, 67824467), (251, 2702170), (502, 1351085), (1255, 540434), (2510, 270217)]