2780344

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 6019200

約数和(自身を除く): 3238856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 379, 524, 758, 917, 1048, 1516, 1834, 2653, 3032, 3668, 5306, 7336, 10612, 21224, 49649, 99298, 198596, 347543, 397192, 695086, 1390172, 2780344]

約数ペア:

[(1, 2780344), (2, 1390172), (4, 695086), (7, 397192), (8, 347543), (14, 198596), (28, 99298), (56, 49649), (131, 21224), (262, 10612), (379, 7336), (524, 5306), (758, 3668), (917, 3032), (1048, 2653), (1516, 1834)]