1889381

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 16

約数和(自身を含む): 2177280

約数和(自身を除く): 287899

約数列:

[1, 13, 23, 71, 89, 299, 923, 1157, 1633, 2047, 6319, 21229, 26611, 82147, 145337, 1889381]

約数ペア:

[(1, 1889381), (13, 145337), (23, 82147), (71, 26611), (89, 21229), (299, 6319), (923, 2047), (1157, 1633)]