129713072

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{121001}}^1$

素因数の和:121076

約数の個数: 20

約数和(自身を含む): 255072216

約数和(自身を除く): 125359144

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 121001, 242002, 484004, 968008, 1936016, 8107067, 16214134, 32428268, 64856536, 129713072]

約数ペア:

[(1, 129713072), (2, 64856536), (4, 32428268), (8, 16214134), (16, 8107067), (67, 1936016), (134, 968008), (268, 484004), (536, 242002), (1072, 121001)]