128434782

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{436853}}^1$

素因数の和:436872

約数の個数: 24

約数和(自身を含む): 298808136

約数和(自身を除く): 170373354

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 436853, 873706, 1310559, 2621118, 3057971, 6115942, 9173913, 18347826, 21405797, 42811594, 64217391, 128434782]

約数ペア:

[(1, 128434782), (2, 64217391), (3, 42811594), (6, 21405797), (7, 18347826), (14, 9173913), (21, 6115942), (42, 3057971), (49, 2621118), (98, 1310559), (147, 873706), (294, 436853)]