64778210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21521}}^1$

素因数の和:21578

約数の個数: 32

約数和(自身を含む): 136363392

約数和(自身を除く): 71585182

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 21521, 43042, 107605, 150647, 215210, 301294, 753235, 925403, 1506470, 1850806, 4627015, 6477821, 9254030, 12955642, 32389105, 64778210]

約数ペア:

[(1, 64778210), (2, 32389105), (5, 12955642), (7, 9254030), (10, 6477821), (14, 4627015), (35, 1850806), (43, 1506470), (70, 925403), (86, 753235), (215, 301294), (301, 215210), (430, 150647), (602, 107605), (1505, 43042), (3010, 21521)]