66681868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 140132160

約数和(自身を除く): 73450292

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 44, 62, 76, 83, 124, 166, 209, 332, 341, 418, 589, 682, 836, 913, 961, 1178, 1364, 1577, 1826, 1922, 2356, 2573, 3154, 3652, 3844, 5146, 6308, 6479, 10292, 10571, 12958, 17347, 18259, 21142, 25916, 28303, 34694, 36518, 42284, 48887, 56606, 69388, 73036, 79763, 97774, 113212, 159526, 195548, 200849, 319052, 401698, 537757, 803396, 877393, 1075514, 1515497, 1754786, 2151028, 3030994, 3509572, 6061988, 16670467, 33340934, 66681868]

約数ペア:

[(1, 66681868), (2, 33340934), (4, 16670467), (11, 6061988), (19, 3509572), (22, 3030994), (31, 2151028), (38, 1754786), (44, 1515497), (62, 1075514), (76, 877393), (83, 803396), (124, 537757), (166, 401698), (209, 319052), (332, 200849), (341, 195548), (418, 159526), (589, 113212), (682, 97774), (836, 79763), (913, 73036), (961, 69388), (1178, 56606), (1364, 48887), (1577, 42284), (1826, 36518), (1922, 34694), (2356, 28303), (2573, 25916), (3154, 21142), (3652, 18259), (3844, 17347), (5146, 12958), (6308, 10571), (6479, 10292)]