71591981

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7643}}^1$

素因数の和:7708

約数の個数: 16

約数和(自身を含む): 82555200

約数和(自身を除く): 10963219

約数列:

[1, 17, 19, 29, 323, 493, 551, 7643, 9367, 129931, 145217, 221647, 2468689, 3767999, 4211293, 71591981]

約数ペア:

[(1, 71591981), (17, 4211293), (19, 3767999), (29, 2468689), (323, 221647), (493, 145217), (551, 129931), (7643, 9367)]