85991321

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20479}}^1$

素因数の和:20528

約数の個数: 16

約数和(自身を含む): 103219200

約数和(自身を除く): 17227879

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 20479, 266227, 348143, 389101, 4525859, 5058313, 6614717, 85991321]

約数ペア:

[(1, 85991321), (13, 6614717), (17, 5058313), (19, 4525859), (221, 389101), (247, 348143), (323, 266227), (4199, 20479)]