28511364

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2591}}^1$

素因数の和:2736

約数の個数: 48

約数和(自身を含む): 76640256

約数和(自身を除く): 48128892

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 131, 262, 393, 524, 786, 917, 1572, 1834, 2591, 2751, 3668, 5182, 5502, 7773, 10364, 11004, 15546, 18137, 31092, 36274, 54411, 72548, 108822, 217644, 339421, 678842, 1018263, 1357684, 2036526, 2375947, 4073052, 4751894, 7127841, 9503788, 14255682, 28511364]

約数ペア:

[(1, 28511364), (2, 14255682), (3, 9503788), (4, 7127841), (6, 4751894), (7, 4073052), (12, 2375947), (14, 2036526), (21, 1357684), (28, 1018263), (42, 678842), (84, 339421), (131, 217644), (262, 108822), (393, 72548), (524, 54411), (786, 36274), (917, 31092), (1572, 18137), (1834, 15546), (2591, 11004), (2751, 10364), (3668, 7773), (5182, 5502)]