128239356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1526659}}^1$

素因数の和:1526673

約数の個数: 24

約数和(自身を含む): 341971840

約数和(自身を除く): 213732484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1526659, 3053318, 4579977, 6106636, 9159954, 10686613, 18319908, 21373226, 32059839, 42746452, 64119678, 128239356]

約数ペア:

[(1, 128239356), (2, 64119678), (3, 42746452), (4, 32059839), (6, 21373226), (7, 18319908), (12, 10686613), (14, 9159954), (21, 6106636), (28, 4579977), (42, 3053318), (84, 1526659)]