216775993

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{25657}}^1$

素因数の和:25752

約数の個数: 16

約数和(自身を含む): 266022144

約数和(自身を除く): 49246151

約数列:

[1, 7, 17, 71, 119, 497, 1207, 8449, 25657, 179599, 436169, 1821647, 3053183, 12751529, 30967999, 216775993]

約数ペア:

[(1, 216775993), (7, 30967999), (17, 12751529), (71, 3053183), (119, 1821647), (497, 436169), (1207, 179599), (8449, 25657)]