123728638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{557}}^1$

素因数の和:1032

約数の個数: 32

約数和(自身を含む): 212129280

約数和(自身を除く): 88400642

約数列:

[1, 2, 11, 22, 23, 46, 253, 439, 506, 557, 878, 1114, 4829, 6127, 9658, 10097, 12254, 12811, 20194, 25622, 111067, 140921, 222134, 244523, 281842, 489046, 2689753, 5379506, 5624029, 11248058, 61864319, 123728638]

約数ペア:

[(1, 123728638), (2, 61864319), (11, 11248058), (22, 5624029), (23, 5379506), (46, 2689753), (253, 489046), (439, 281842), (506, 244523), (557, 222134), (878, 140921), (1114, 111067), (4829, 25622), (6127, 20194), (9658, 12811), (10097, 12254)]