66540656

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2038

約数の個数: 80

約数和(自身を含む): 165656064

約数和(自身を除く): 99115408

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 46, 52, 56, 91, 92, 104, 112, 161, 182, 184, 208, 299, 322, 364, 368, 598, 644, 728, 1196, 1288, 1456, 1987, 2093, 2392, 2576, 3974, 4186, 4784, 7948, 8372, 13909, 15896, 16744, 25831, 27818, 31792, 33488, 45701, 51662, 55636, 91402, 103324, 111272, 180817, 182804, 206648, 222544, 319907, 361634, 365608, 413296, 594113, 639814, 723268, 731216, 1188226, 1279628, 1446536, 2376452, 2559256, 2893072, 4158791, 4752904, 5118512, 8317582, 9505808, 16635164, 33270328, 66540656]

約数ペア:

[(1, 66540656), (2, 33270328), (4, 16635164), (7, 9505808), (8, 8317582), (13, 5118512), (14, 4752904), (16, 4158791), (23, 2893072), (26, 2559256), (28, 2376452), (46, 1446536), (52, 1279628), (56, 1188226), (91, 731216), (92, 723268), (104, 639814), (112, 594113), (161, 413296), (182, 365608), (184, 361634), (208, 319907), (299, 222544), (322, 206648), (364, 182804), (368, 180817), (598, 111272), (644, 103324), (728, 91402), (1196, 55636), (1288, 51662), (1456, 45701), (1987, 33488), (2093, 31792), (2392, 27818), (2576, 25831), (3974, 16744), (4186, 15896), (4784, 13909), (7948, 8372)]