128538761

素因数分解:

${\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:776

約数の個数: 16

約数和(自身を含む): 140743680

約数和(自身を除く): 12204919

約数列:

[1, 13, 101, 223, 439, 1313, 2899, 5707, 22523, 44339, 97897, 292799, 576407, 1272661, 9887597, 128538761]

約数ペア:

[(1, 128538761), (13, 9887597), (101, 1272661), (223, 576407), (439, 292799), (1313, 97897), (2899, 44339), (5707, 22523)]