280771288

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{82193}}^1$

素因数の和:82267

約数の個数: 32

約数和(自身を含む): 611523360

約数和(自身を除く): 330752072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 82193, 164386, 328772, 575351, 657544, 1150702, 2301404, 4602808, 5013773, 10027546, 20055092, 35096411, 40110184, 70192822, 140385644, 280771288]

約数ペア:

[(1, 280771288), (2, 140385644), (4, 70192822), (7, 40110184), (8, 35096411), (14, 20055092), (28, 10027546), (56, 5013773), (61, 4602808), (122, 2301404), (244, 1150702), (427, 657544), (488, 575351), (854, 328772), (1708, 164386), (3416, 82193)]