261902564

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{3361}}^1$

素因数の和:3417

約数の個数: 72

約数和(自身を含む): 600964224

約数和(自身を除く): 339061660

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 121, 154, 161, 242, 253, 308, 322, 484, 506, 644, 847, 1012, 1694, 1771, 2783, 3361, 3388, 3542, 5566, 6722, 7084, 11132, 13444, 19481, 23527, 36971, 38962, 47054, 73942, 77303, 77924, 94108, 147884, 154606, 258797, 309212, 406681, 517594, 541121, 813362, 850333, 1035188, 1082242, 1626724, 1700666, 2164484, 2846767, 3401332, 5693534, 5952331, 9353663, 11387068, 11904662, 18707326, 23809324, 37414652, 65475641, 130951282, 261902564]

約数ペア:

[(1, 261902564), (2, 130951282), (4, 65475641), (7, 37414652), (11, 23809324), (14, 18707326), (22, 11904662), (23, 11387068), (28, 9353663), (44, 5952331), (46, 5693534), (77, 3401332), (92, 2846767), (121, 2164484), (154, 1700666), (161, 1626724), (242, 1082242), (253, 1035188), (308, 850333), (322, 813362), (484, 541121), (506, 517594), (644, 406681), (847, 309212), (1012, 258797), (1694, 154606), (1771, 147884), (2783, 94108), (3361, 77924), (3388, 77303), (3542, 73942), (5566, 47054), (6722, 38962), (7084, 36971), (11132, 23527), (13444, 19481)]