8420321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5443}}^1$

素因数の和:5480

約数の個数: 16

約数和(自身を含む): 10975104

約数和(自身を除く): 2554783

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 5443, 38101, 70759, 92531, 495313, 647717, 1202903, 8420321]

約数ペア:

[(1, 8420321), (7, 1202903), (13, 647717), (17, 495313), (91, 92531), (119, 70759), (221, 38101), (1547, 5443)]