28163128

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16223}}^1$

素因数の和:16267

約数の個数: 32

約数和(自身を含む): 62300160

約数和(自身を除く): 34137032

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 16223, 32446, 64892, 113561, 129784, 227122, 454244, 502913, 908488, 1005826, 2011652, 3520391, 4023304, 7040782, 14081564, 28163128]

約数ペア:

[(1, 28163128), (2, 14081564), (4, 7040782), (7, 4023304), (8, 3520391), (14, 2011652), (28, 1005826), (31, 908488), (56, 502913), (62, 454244), (124, 227122), (217, 129784), (248, 113561), (434, 64892), (868, 32446), (1736, 16223)]