1285128427

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{467}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 1496102400

約数和(自身を除く): 210973973

約数列:

[1, 11, 23, 73, 149, 253, 467, 803, 1639, 1679, 3427, 5137, 10741, 10877, 18469, 34091, 37697, 69583, 118151, 119647, 250171, 375001, 765413, 784093, 1600409, 2751881, 5079559, 8625023, 17604499, 55875149, 116829857, 1285128427]

約数ペア:

[(1, 1285128427), (11, 116829857), (23, 55875149), (73, 17604499), (149, 8625023), (253, 5079559), (467, 2751881), (803, 1600409), (1639, 784093), (1679, 765413), (3427, 375001), (5137, 250171), (10741, 119647), (10877, 118151), (18469, 69583), (34091, 37697)]