128539568

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{110051}}^1$

素因数の和:110132

約数の個数: 20

約数和(自身を含む): 252459288

約数和(自身を除く): 123919720

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 110051, 220102, 440204, 880408, 1760816, 8033723, 16067446, 32134892, 64269784, 128539568]

約数ペア:

[(1, 128539568), (2, 64269784), (4, 32134892), (8, 16067446), (16, 8033723), (73, 1760816), (146, 880408), (292, 440204), (584, 220102), (1168, 110051)]