128401091

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{10771}}^1$

素因数の和:10922

約数の個数: 16

約数和(自身を含む): 159253248

約数和(自身を除く): 30852157

約数列:

[1, 7, 13, 91, 131, 917, 1703, 10771, 11921, 75397, 140023, 980161, 1411001, 9877007, 18343013, 128401091]

約数ペア:

[(1, 128401091), (7, 18343013), (13, 9877007), (91, 1411001), (131, 980161), (917, 140023), (1703, 75397), (10771, 11921)]