158781364

素因数分解:

$2^2\times 7^2\times {\mathrm{810109}}^1$

素因数の和:810127

約数の個数: 18

約数和(自身を含む): 323233890

約数和(自身を除く): 164452526

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 810109, 1620218, 3240436, 5670763, 11341526, 22683052, 39695341, 79390682, 158781364]

約数ペア:

[(1, 158781364), (2, 79390682), (4, 39695341), (7, 22683052), (14, 11341526), (28, 5670763), (49, 3240436), (98, 1620218), (196, 810109)]