68877328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{331141}}^1$

素因数の和:331162

約数の個数: 20

約数和(自身を含む): 143715628

約数和(自身を除く): 74838300

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 331141, 662282, 1324564, 2649128, 4304833, 5298256, 8609666, 17219332, 34438664, 68877328]

約数ペア:

[(1, 68877328), (2, 34438664), (4, 17219332), (8, 8609666), (13, 5298256), (16, 4304833), (26, 2649128), (52, 1324564), (104, 662282), (208, 331141)]