78820437

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{2357}}^1$

素因数の和:2588

約数の個数: 16

約数和(自身を含む): 107298432

約数和(自身を除く): 28477995

約数列:

[1, 3, 71, 157, 213, 471, 2357, 7071, 11147, 33441, 167347, 370049, 502041, 1110147, 26273479, 78820437]

約数ペア:

[(1, 78820437), (3, 26273479), (71, 1110147), (157, 502041), (213, 370049), (471, 167347), (2357, 33441), (7071, 11147)]