639452011

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71153}}^1$

素因数の和:71226

約数の個数: 16

約数和(自身を含む): 751386240

約数和(自身を除く): 111934229

約数列:

[1, 11, 19, 43, 209, 473, 817, 8987, 71153, 782683, 1351907, 3059579, 14870977, 33655369, 58132001, 639452011]

約数ペア:

[(1, 639452011), (11, 58132001), (19, 33655369), (43, 14870977), (209, 3059579), (473, 1351907), (817, 782683), (8987, 71153)]