128267754

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:575

約数の個数: 64

約数和(自身を含む): 284394240

約数和(自身を除く): 156126486

約数列:

[1, 2, 3, 6, 17, 29, 34, 51, 58, 87, 102, 103, 174, 206, 309, 421, 493, 618, 842, 986, 1263, 1479, 1751, 2526, 2958, 2987, 3502, 5253, 5974, 7157, 8961, 10506, 12209, 14314, 17922, 21471, 24418, 36627, 42942, 43363, 50779, 73254, 86726, 101558, 130089, 152337, 207553, 260178, 304674, 415106, 622659, 737171, 1245318, 1257527, 1474342, 2211513, 2515054, 3772581, 4423026, 7545162, 21377959, 42755918, 64133877, 128267754]

約数ペア:

[(1, 128267754), (2, 64133877), (3, 42755918), (6, 21377959), (17, 7545162), (29, 4423026), (34, 3772581), (51, 2515054), (58, 2211513), (87, 1474342), (102, 1257527), (103, 1245318), (174, 737171), (206, 622659), (309, 415106), (421, 304674), (493, 260178), (618, 207553), (842, 152337), (986, 130089), (1263, 101558), (1479, 86726), (1751, 73254), (2526, 50779), (2958, 43363), (2987, 42942), (3502, 36627), (5253, 24418), (5974, 21471), (7157, 17922), (8961, 14314), (10506, 12209)]