427379905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{23671}}^1$

素因数の和:23856

約数の個数: 16

約数和(自身を含む): 538585344

約数和(自身を除く): 111205439

約数列:

[1, 5, 23, 115, 157, 785, 3611, 18055, 23671, 118355, 544433, 2722165, 3716347, 18581735, 85475981, 427379905]

約数ペア:

[(1, 427379905), (5, 85475981), (23, 18581735), (115, 3716347), (157, 2722165), (785, 544433), (3611, 118355), (18055, 23671)]