156984186821

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{637709}}^1$

素因数の和:637889

約数の個数: 32

約数和(自身を含む): 205699737600

約数和(自身を除く): 48715550779

約数列:

[1, 7, 11, 23, 77, 139, 161, 253, 973, 1529, 1771, 3197, 10703, 22379, 35167, 246169, 637709, 4463963, 7014799, 14667307, 49103593, 88641551, 102671149, 161340377, 620490857, 975057061, 1129382639, 2038755673, 6825399427, 14271289711, 22426312403, 156984186821]

約数ペア:

[(1, 156984186821), (7, 22426312403), (11, 14271289711), (23, 6825399427), (77, 2038755673), (139, 1129382639), (161, 975057061), (253, 620490857), (973, 161340377), (1529, 102671149), (1771, 88641551), (3197, 49103593), (10703, 14667307), (22379, 7014799), (35167, 4463963), (246169, 637709)]