12718970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2689}}^1$

素因数の和:2750

約数の個数: 32

約数和(自身を含む): 25565760

約数和(自身を除く): 12846790

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 2689, 4730, 5378, 13445, 26890, 29579, 59158, 115627, 147895, 231254, 295790, 578135, 1156270, 1271897, 2543794, 6359485, 12718970]

約数ペア:

[(1, 12718970), (2, 6359485), (5, 2543794), (10, 1271897), (11, 1156270), (22, 578135), (43, 295790), (55, 231254), (86, 147895), (110, 115627), (215, 59158), (430, 29579), (473, 26890), (946, 13445), (2365, 5378), (2689, 4730)]