28878794

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{66541}}^1$

素因数の和:66581

約数の個数: 16

約数和(自身を含む): 51104256

約数和(自身を除く): 22225462

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 66541, 133082, 465787, 931574, 2062771, 4125542, 14439397, 28878794]

約数ペア:

[(1, 28878794), (2, 14439397), (7, 4125542), (14, 2062771), (31, 931574), (62, 465787), (217, 133082), (434, 66541)]