128173838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{67531}}^1$

素因数の和:67619

約数の個数: 16

約数和(自身を含む): 209889456

約数和(自身を除く): 81715618

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 67531, 135062, 877903, 1755806, 4929763, 9859526, 64086919, 128173838]

約数ペア:

[(1, 128173838), (2, 64086919), (13, 9859526), (26, 4929763), (73, 1755806), (146, 877903), (949, 135062), (1898, 67531)]