12648235

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:798

約数の個数: 16

約数和(自身を含む): 15729120

約数和(自身を除く): 3080885

約数列:

[1, 5, 43, 89, 215, 445, 661, 3305, 3827, 19135, 28423, 58829, 142115, 294145, 2529647, 12648235]

約数ペア:

[(1, 12648235), (5, 2529647), (43, 294145), (89, 142115), (215, 58829), (445, 28423), (661, 19135), (3305, 3827)]