28138774

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{547}}^1$

素因数の和:672

約数の個数: 24

約数和(自身を含む): 45423720

約数和(自身を除く): 17284946

約数列:

[1, 2, 17, 34, 89, 178, 289, 547, 578, 1094, 1513, 3026, 9299, 18598, 25721, 48683, 51442, 97366, 158083, 316166, 827611, 1655222, 14069387, 28138774]

約数ペア:

[(1, 28138774), (2, 14069387), (17, 1655222), (34, 827611), (89, 316166), (178, 158083), (289, 97366), (547, 51442), (578, 48683), (1094, 25721), (1513, 18598), (3026, 9299)]