77789404

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 180633600

約数和(自身を除く): 102844196

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 79, 92, 139, 154, 158, 161, 253, 278, 308, 316, 322, 506, 553, 556, 644, 869, 973, 1012, 1106, 1529, 1738, 1771, 1817, 1946, 2212, 3058, 3197, 3476, 3542, 3634, 3892, 6083, 6116, 6394, 7084, 7268, 10703, 10981, 12166, 12719, 12788, 19987, 21406, 21962, 22379, 24332, 25438, 35167, 39974, 42812, 43924, 44758, 50876, 70334, 76867, 79948, 89516, 120791, 139909, 140668, 153734, 241582, 246169, 252563, 279818, 307468, 483164, 492338, 505126, 559636, 845537, 984676, 1010252, 1691074, 1767941, 2778193, 3382148, 3535882, 5556386, 7071764, 11112772, 19447351, 38894702, 77789404]

約数ペア:

[(1, 77789404), (2, 38894702), (4, 19447351), (7, 11112772), (11, 7071764), (14, 5556386), (22, 3535882), (23, 3382148), (28, 2778193), (44, 1767941), (46, 1691074), (77, 1010252), (79, 984676), (92, 845537), (139, 559636), (154, 505126), (158, 492338), (161, 483164), (253, 307468), (278, 279818), (308, 252563), (316, 246169), (322, 241582), (506, 153734), (553, 140668), (556, 139909), (644, 120791), (869, 89516), (973, 79948), (1012, 76867), (1106, 70334), (1529, 50876), (1738, 44758), (1771, 43924), (1817, 42812), (1946, 39974), (2212, 35167), (3058, 25438), (3197, 24332), (3476, 22379), (3542, 21962), (3634, 21406), (3892, 19987), (6083, 12788), (6116, 12719), (6394, 12166), (7084, 10981), (7268, 10703)]