128870819

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{16249}}^1$

素因数の和:16370

約数の個数: 16

約数和(自身を含む): 162240000

約数和(自身を除く): 33369181

約数列:

[1, 7, 11, 77, 103, 721, 1133, 7931, 16249, 113743, 178739, 1251173, 1673647, 11715529, 18410117, 128870819]

約数ペア:

[(1, 128870819), (7, 18410117), (11, 11715529), (77, 1673647), (103, 1251173), (721, 178739), (1133, 113743), (7931, 16249)]