265291288

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{313}}^1\times {\mathrm{1999}}^1$

素因数の和:2371

約数の個数: 32

約数和(自身を含む): 508680000

約数和(自身を除く): 243388712

約数列:

[1, 2, 4, 8, 53, 106, 212, 313, 424, 626, 1252, 1999, 2504, 3998, 7996, 15992, 16589, 33178, 66356, 105947, 132712, 211894, 423788, 625687, 847576, 1251374, 2502748, 5005496, 33161411, 66322822, 132645644, 265291288]

約数ペア:

[(1, 265291288), (2, 132645644), (4, 66322822), (8, 33161411), (53, 5005496), (106, 2502748), (212, 1251374), (313, 847576), (424, 625687), (626, 423788), (1252, 211894), (1999, 132712), (2504, 105947), (3998, 66356), (7996, 33178), (15992, 16589)]