28515830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{407369}}^1$

素因数の和:407383

約数の個数: 16

約数和(自身を含む): 58661280

約数和(自身を除く): 30145450

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 407369, 814738, 2036845, 2851583, 4073690, 5703166, 14257915, 28515830]

約数ペア:

[(1, 28515830), (2, 14257915), (5, 5703166), (7, 4073690), (10, 2851583), (14, 2036845), (35, 814738), (70, 407369)]