1618542940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11561021}}^1$

素因数の和:11561037

約数の個数: 24

約数和(自身を含む): 3884503392

約数和(自身を除く): 2265960452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11561021, 23122042, 46244084, 57805105, 80927147, 115610210, 161854294, 231220420, 323708588, 404635735, 809271470, 1618542940]

約数ペア:

[(1, 1618542940), (2, 809271470), (4, 404635735), (5, 323708588), (7, 231220420), (10, 161854294), (14, 115610210), (20, 80927147), (28, 57805105), (35, 46244084), (70, 23122042), (140, 11561021)]