90128017

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 104473600

約数和(自身を除く): 14345583

約数列:

[1, 7, 139, 211, 439, 973, 1477, 3073, 29329, 61021, 92629, 205303, 427147, 648403, 12875431, 90128017]

約数ペア:

[(1, 90128017), (7, 12875431), (139, 648403), (211, 427147), (439, 205303), (973, 92629), (1477, 61021), (3073, 29329)]