128899724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{39443}}^1$

素因数の和:39509

約数の個数: 24

約数和(自身を含む): 242975040

約数和(自身を除く): 114075316

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 39443, 78886, 157772, 749417, 1498834, 1696049, 2997668, 3392098, 6784196, 32224931, 64449862, 128899724]

約数ペア:

[(1, 128899724), (2, 64449862), (4, 32224931), (19, 6784196), (38, 3392098), (43, 2997668), (76, 1696049), (86, 1498834), (172, 749417), (817, 157772), (1634, 78886), (3268, 39443)]