72425072

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{105269}}^1$

素因数の和:105320

約数の個数: 20

約数和(自身を含む): 143588280

約数和(自身を除く): 71163208

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 105269, 210538, 421076, 842152, 1684304, 4526567, 9053134, 18106268, 36212536, 72425072]

約数ペア:

[(1, 72425072), (2, 36212536), (4, 18106268), (8, 9053134), (16, 4526567), (43, 1684304), (86, 842152), (172, 421076), (344, 210538), (688, 105269)]