28618456

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{691}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 55802880

約数和(自身を除く): 27184424

約数列:

[1, 2, 4, 8, 31, 62, 124, 167, 248, 334, 668, 691, 1336, 1382, 2764, 5177, 5528, 10354, 20708, 21421, 41416, 42842, 85684, 115397, 171368, 230794, 461588, 923176, 3577307, 7154614, 14309228, 28618456]

約数ペア:

[(1, 28618456), (2, 14309228), (4, 7154614), (8, 3577307), (31, 923176), (62, 461588), (124, 230794), (167, 171368), (248, 115397), (334, 85684), (668, 42842), (691, 41416), (1336, 21421), (1382, 20708), (2764, 10354), (5177, 5528)]