198842567

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 266595840

約数和(自身を除く): 67753273

約数列:

[1, 7, 11, 23, 59, 77, 121, 161, 173, 253, 413, 649, 847, 1211, 1357, 1771, 1903, 2783, 3979, 4543, 7139, 9499, 10207, 13321, 14927, 19481, 20933, 27853, 43769, 49973, 71449, 104489, 112277, 146531, 164197, 234761, 306383, 481459, 785939, 1149379, 1235047, 1643327, 2582371, 3370213, 8645329, 18076597, 28406081, 198842567]

約数ペア:

[(1, 198842567), (7, 28406081), (11, 18076597), (23, 8645329), (59, 3370213), (77, 2582371), (121, 1643327), (161, 1235047), (173, 1149379), (253, 785939), (413, 481459), (649, 306383), (847, 234761), (1211, 164197), (1357, 146531), (1771, 112277), (1903, 104489), (2783, 71449), (3979, 49973), (4543, 43769), (7139, 27853), (9499, 20933), (10207, 19481), (13321, 14927)]