127635568

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{20507}}^1$

素因数の和:20904

約数の個数: 20

約数和(自身を含む): 247941720

約数和(自身を除く): 120306152

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 20507, 41014, 82028, 164056, 328112, 7977223, 15954446, 31908892, 63817784, 127635568]

約数ペア:

[(1, 127635568), (2, 63817784), (4, 31908892), (8, 15954446), (16, 7977223), (389, 328112), (778, 164056), (1556, 82028), (3112, 41014), (6224, 20507)]