13388921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6397}}^1$

素因数の和:6440

約数の個数: 16

約数和(自身を含む): 17197824

約数和(自身を除く): 3808903

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 6397, 44779, 83161, 147131, 582127, 1029917, 1912703, 13388921]

約数ペア:

[(1, 13388921), (7, 1912703), (13, 1029917), (23, 582127), (91, 147131), (161, 83161), (299, 44779), (2093, 6397)]