28776979

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{16249}}^1$

素因数の和:16290

約数の個数: 16

約数和(自身を含む): 37440000

約数和(自身を除く): 8663021

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 16249, 113743, 178739, 373727, 1251173, 2616089, 4110997, 28776979]

約数ペア:

[(1, 28776979), (7, 4110997), (11, 2616089), (23, 1251173), (77, 373727), (161, 178739), (253, 113743), (1771, 16249)]