261330408014

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{881}}^1\times {\mathrm{5939}}^1$

素因数の和:6965

約数の個数: 64

約数和(自身を含む): 451524870720

約数和(自身を除く): 190194462706

約数列:

[1, 2, 13, 17, 26, 34, 113, 221, 226, 442, 881, 1469, 1762, 1921, 2938, 3842, 5939, 11453, 11878, 14977, 22906, 24973, 29954, 49946, 77207, 99553, 100963, 154414, 194701, 199106, 201926, 389402, 671107, 1294189, 1312519, 1342214, 1692401, 2588378, 2625038, 3384802, 5232259, 8724391, 10464518, 11408819, 17448782, 22001213, 22817638, 44002426, 68019367, 88948403, 136038734, 148314647, 177896806, 296629294, 591245267, 1156329239, 1182490534, 2312658478, 7686188471, 10051169539, 15372376942, 20102339078, 130665204007, 261330408014]

約数ペア:

[(1, 261330408014), (2, 130665204007), (13, 20102339078), (17, 15372376942), (26, 10051169539), (34, 7686188471), (113, 2312658478), (221, 1182490534), (226, 1156329239), (442, 591245267), (881, 296629294), (1469, 177896806), (1762, 148314647), (1921, 136038734), (2938, 88948403), (3842, 68019367), (5939, 44002426), (11453, 22817638), (11878, 22001213), (14977, 17448782), (22906, 11408819), (24973, 10464518), (29954, 8724391), (49946, 5232259), (77207, 3384802), (99553, 2625038), (100963, 2588378), (154414, 1692401), (194701, 1342214), (199106, 1312519), (201926, 1294189), (389402, 671107)]