131457788

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:304

約数の個数: 108

約数和(自身を含む): 308213136

約数和(自身を除く): 176755348

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 49, 77, 92, 98, 121, 154, 161, 196, 241, 242, 253, 308, 322, 482, 484, 506, 539, 644, 847, 964, 1012, 1078, 1127, 1687, 1694, 1771, 2156, 2254, 2651, 2783, 3374, 3388, 3542, 4508, 5302, 5543, 5566, 5929, 6748, 7084, 10604, 11086, 11132, 11809, 11858, 12397, 18557, 19481, 22172, 23618, 23716, 24794, 29161, 37114, 38801, 38962, 47236, 49588, 58322, 60973, 74228, 77602, 77924, 116644, 121946, 129899, 136367, 155204, 204127, 243892, 259798, 271607, 272734, 408254, 426811, 519596, 543214, 545468, 670703, 816508, 853622, 1086428, 1341406, 1428889, 1707244, 2682812, 2857778, 2987677, 4694921, 5715556, 5975354, 9389842, 11950708, 18779684, 32864447, 65728894, 131457788]

約数ペア:

[(1, 131457788), (2, 65728894), (4, 32864447), (7, 18779684), (11, 11950708), (14, 9389842), (22, 5975354), (23, 5715556), (28, 4694921), (44, 2987677), (46, 2857778), (49, 2682812), (77, 1707244), (92, 1428889), (98, 1341406), (121, 1086428), (154, 853622), (161, 816508), (196, 670703), (241, 545468), (242, 543214), (253, 519596), (308, 426811), (322, 408254), (482, 272734), (484, 271607), (506, 259798), (539, 243892), (644, 204127), (847, 155204), (964, 136367), (1012, 129899), (1078, 121946), (1127, 116644), (1687, 77924), (1694, 77602), (1771, 74228), (2156, 60973), (2254, 58322), (2651, 49588), (2783, 47236), (3374, 38962), (3388, 38801), (3542, 37114), (4508, 29161), (5302, 24794), (5543, 23716), (5566, 23618), (5929, 22172), (6748, 19481), (7084, 18557), (10604, 12397), (11086, 11858), (11132, 11809)]