28947128

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^2\times {\mathrm{97}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 63539280

約数和(自身を除く): 34592152

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 97, 146, 194, 292, 388, 511, 584, 679, 776, 1022, 1358, 2044, 2716, 4088, 5329, 5432, 7081, 10658, 14162, 21316, 28324, 37303, 42632, 49567, 56648, 74606, 99134, 149212, 198268, 298424, 396536, 516913, 1033826, 2067652, 3618391, 4135304, 7236782, 14473564, 28947128]

約数ペア:

[(1, 28947128), (2, 14473564), (4, 7236782), (7, 4135304), (8, 3618391), (14, 2067652), (28, 1033826), (56, 516913), (73, 396536), (97, 298424), (146, 198268), (194, 149212), (292, 99134), (388, 74606), (511, 56648), (584, 49567), (679, 42632), (776, 37303), (1022, 28324), (1358, 21316), (2044, 14162), (2716, 10658), (4088, 7081), (5329, 5432)]